(完整版)高中英语语法大全归纳总结

时间:2023-07-20 17:37:41 文档下载 投诉 投稿

        高中英语语法权威解析目录:1.It作形式主语和it引导强调句的比较It作形式主语代替主语从句,主要是为了平衡句子结构,主语从句的连接词没有变化。而it引导的强调句则是对句子某一部分进行强调,无论强调的是什么成分,都可用连词that。被强调部分指人时也可用who/whom。

        例如:a)Itisapitythatyoudidn’tgotoseethefilm.你不去看那场电影真可惜。b)Itdoesn’tinterestmewhetheryousucceedornot.我对你成功与否不感兴趣。c)Itisinthemorningthatthemurdertookplace.谋杀案是在早上发生的。

        (强调句型)d)ItisJohnthatbrokethewindow.是John打碎的窗户。(强调句型)2.用it作形式主语的结构

        (1)Itis+名词+从句Itisafactthat…事实是…Itisanhonorthat…非常荣幸Itiscommonknowledgethat…是常识

        (2)Itis+形容词+从句Itisnaturalthat…很自然…Itisstrangethat…奇怪的是…

        (3)Itis+不及物动词+从句Itseemsthat…似乎…Ithappenedthat…碰巧…Itappearsthat…似乎…

        (4)It+过去分词+从句Itisreportedthat…据报道…Ithasbeenprovedthat…已证实…Itissaidthat…据说…3.主语从句不可位于句首的五种情况:

        (1)if引导的主语从句不可居于复合句句首。

        (2)Itissaid/reported…结构中的主语从句不可提前。

        例如:正确表达:ItissaidthatPresidentJiangwillvisitourschoolnextweek.错误表达:ThatPresidentJiangwillvisitourschoolnextweekissaid.

        (3)Ithappens/occurs…结构中的主语从句不可提前。例如:正确表达:Itoccurredtohimthathefailedintheexamination.错误表达:Thathefailedintheexaminationoccurredtohim.

        (4)Itdoesn’tmatterhow/whether…结构中的主语从句不可提前。例如:正确表达:Itdoesn’tmatterwhetherheiswrongornot.错误表达:Whetherheiswrongornotdoesn’tmatter.

        (5)含主语从句的复合句是疑问句时,主语从句不可提前。

        例如:正确表达:Isitlikelythatitwillrainintheevening?错误表达:Isthatwillrainintheeveninglikely?4.what与that在引导主语从句时的区别what引导主语从句时在句时在从句中充当句子成分,如主语.宾语.表语,而that则不然。例如:a)Whatyousaidyesterdayisright.b)Thatsheisstillaliveisaconsolation二.宾语从句宾语从句就是在复合句中作宾语的名词性从句,通常放在主句谓语动词(及物动词)或介词之后。1.作动词的宾语

        (1)由that引导的宾语从句(that通常可以省略),例如:Iheardthatbejoinedthearmy.我听说他参军了。

        (2)由what,whether(if)引导的宾语从句,例如:a)Shedidnotknowwhathadhappened.她不知道发生了什么。b)Iwonderwhetheryoucanchangethisnoteforme.我想知道你是否能帮我改一下笔记。

        (3)动词+间接宾语+宾语从句。

        例如:Shetoldmethatshewouldacceptmyinvitation.她对我说她会接受我的邀请。2.作介词的宾语,例如:Oursuccessdependsuponhowwellwecancooperatewithoneanother.我们的成功取决于我们之间的合作。3.作形容词的宾语,例如:Iamafraid(that)I’vemadeamistake.我恐怕我已经犯了一个错误。

        注意:that引导的从句常跟在下列形容词后作宾语:anxious,aware,certain,confident,convinced,determined,glad,proud,surprised,worried,sorry,thankful,ashamed,disappointed,annoyed,pleased,hurt,satisfied,content等。也可以将此类词后的that从句的看作原因状语从句。4.it可以作为形式宾语it不仅可以作为形式主语,还可以作为形式宾语而真正的宾语that从句则放在句尾,特别是在带复合宾语的句子中。

        例如:Wehearditthatshewouldgetmarriednextmonth.我听说她下个朋就会结婚了。5.后边不能直接跟that从句的动词这类动词有allow,refuse,let,like,cause,force,admire,condemn,celebrate,dislike,love,help,take,forgive等。这类词后可以用不定式或动名词作宾语,但不可以用that引导的宾语从句。

        如:正确表达:Iadmiretheirwinningthematch.错误表达:Iadmirethattheywonthematch.6.不可用that从句作直接宾语的动词有些动词不可用于“动词+间接宾语+that从句“结构中,常见的有envy,order,accuse,refuse,impress,forgive,blame,denounce,advise,congratulate等。例如:正确表达:Heimpressedthemanagerasanhonestman.错误表达:Heimpressedthemanagerthathewasanhonestman.7.否定的转移若主句谓语动词为think,consider,suppose,believe,expect,fancy,guess,imagine等,其后的宾语从句若含有否定意义,一般要把否定词转移到主句谓语上,从句谓语用肯定式。例如:Idon’tthinkthisdressfitsyouwell.我认为这件衣服不适合你穿。

        三.表语从句表语从句在复合句中作表语的名词性从句,放在系动词之后,一般结构是“主语+连系动词+表语从句”。可以接表语从句的连系动词有be,look,remain,seem等。引导表语从句的that常可省略。

        另外,常用的还有thereasonisthat…和Itisbecause等结构。例如:1)Thequestioniswhetherwecanmakegoodpreparationinsuchashorttime.2)Thisiswhywecan’tgetthesupportofthepeople.3)Butthefactremainsthatwearebehindtheotherclasses.4)Thereasonheislateforschoolisthathemissedtheearlybus.四.同位语从句同位语从句就是在复合句中作名词的同位语的名词性从句。1.同位语从句的功能同位语从句对于名词进一步解释,说明名词的具体内容,一般由that引导,例如:1)Theking’sdecisionthattheprisonerwouldbesetfreesurprisedallthepeople.2)Theorderthatallthesoldiersshouldstaystillisgivenbythegeneral.2.同位语在句子中的位置同位语从句有时可以不紧跟在它所说明的名词后面,而是被别的词隔开。

        例如:HegotthenewsfromMarythatthesportsmeetingwasputoff.3.同位语从句与定语从句的区别

        (1)定语从句中的that既代替先行词,同时以在从句中作某个成分(主语或宾语),而同位语从句中的that是连词,只起连接主句与从句的作用,不充当句中任何成分。

        (2)定语从句是形容词性的,其功能是修饰先行词,对先行词加以限定,描述定的性质或特征;同位语从句是名词性的,其功能是对名词进行补充说明。例如:1)ThenewsthathetoldmeisthatTomwouldgoabroadnextyear.(他告诉我的消息是汤姆明年将出国。

        )(1.____hedoeshasnothingtodowithme.A.whateverB.NomatterwhatC.ThatD.If2.Themanagercameoverandaskedthecustomerhow____A.didthequarrelcameaboutB.thequarrelhadcomeaboutC.hadthequarrelcomeaboutD.hadthequarrelcomeabout3.Energyis____makesthingwork..A.whatB.somethingC.anythingD.that4.Informationhasbeenputforward____moremiddleschoolgraduateswillbeadmittedintouniversities.A.whileB.thatC.whenD.as5.Thisis___theShenzhouVSpaceshiplanded.A.thereB.inwhichC.whereD.when6.Theyhavenoideaatall____.A.wherehehasgoneB.wheredidhegoC.whichplacehashegoneD.wherehashegone7.Thedoctordidalottoreducethepatient’sfear____hewoulddieofthedisease.A.thatB.whichC.ofwhichD.ofthat8.Theordercame___thesoldiers____thesmallvillagethenextmorning.A.that;hadtoleaveB.that;shouldleaveC./;mustleaveD.when;shouldleave9.___isnopossibility____Bobcanwinthefirstprizeinthematch.A.There;thatB.It;thatC.there;whetherD.It;whether10.Thequestioncameupatthemeeting_____wehadenoughmoneyforourresearch.A.thatB.whichC.whetherD.if11.Is_____hesaidreallytrue?A.thatB.whatC.whyD.whether12.____themeetingshouldlasttwodaysorthreedaysdoesn’tmatter.A.ThatB.WhetherC.IfD.Where13.Itworriedherabit_____herhairwasturninggray.A.whileB.ifC.thatD.for14._____morecountriescanusenaturalenergyinthefutureremainstobeseen.A.WhetherB.ThisC.whoD.If15.____hewillgotoworkinamountainvillagesurprisesallofus.A.WhatB.ThatC.WhetherD.If16.____youdon’tlikehimisnoneofmybusiness.A.WhatB.ThatC.WhoD.How17.____alltheinventionshaveincommonis____theyhavesucceeded.A.What;whatB.That;thatC.what;thatD.That;what18.____appearedtomethatheenjoyedthefoodverymuch.A.WhatB.ItC.AllthatD.That19.Itiswidely______thatsmokingcancausecancer.A.believedB.thinkC.sayD.hoped20.____causedtheaccidentisstillacompletemystery.A.WhatB.ThatC.HowD.WhereKeys:1—5ABABC6—10AABAC11—15BBCAB16—20BCBAA

        一、It用作实词表达以下概念:指代前文提到的事物,前文中的this,that;替代前文中的内容;指代一位性别不明的小孩或未知的人;指代未指明但谈话双方都知道的那件事;指代时间、天气、气候、距离等自然现象……

        二、It用作形式主语替代作主语的从句、动词不定式、动名词,而把真正作主语的从句、动词不定式、动名词置于句尾。It作形式主语的常见句型:1.代作主语的动词不定式,其句型为

        (1)Itbeadj.(forsb.)todosth.此处adj.通常为描述事件的形容词:easy,difficult,hard,necessary,unnecessary,possible,impossible,likely,unlikely,right,wrong,important,unimportant,legal,illegal,well-mannered,ill-mannered,polite,impolite,clear,obvious,certain,suitable,proper,fit,useful,useless,dangerous…例Itisillegal(forateenager)todriveacarwithoutalicense.

        (2)Itbeadj.ofsb.todosth.此处adj.通常为描述人的形容词:kind,unkind,nice,rude,cruel,considerate,thoughtful,thoughtless,careful,careless,silly,foolish,stupid,clever,wise,crazy.例It'skindofyoutohelpmewiththeproblem.

        (3)It替代作主语的动名词的常见句型It'snogood/usedoing…It's(well)worthdoing…It's(well)worthone'swhiledoing/todo…It's(well)worthwhiledoing/todo例It'snousecryingoverspiltmilk.2.It替代作主语的从句常见句型

        (1)Itis+noun+从句例Itisnosecretthatthepresidentwantstohaveasecondtermatoffice.

        (2)Itisadj.+clauseIt'ssurprisingthat…(should)………竟然……It'sapity/shamethat…(should)………竟然……例It'simportantthatyoushouldapologizetoherforyourrudeness.(=It'sofmuchimportancethatyoushouldapologizetoherforyourrudeness.)

        (3)Itverbsb.+clause=Itisv-ing+clauseIt+surprise/delight/interest/disappoint/worry/disturb/annoy/amaze/bother/concern/frighten/please/angersb.that…例Itworriedmethatshedrovesofast.(=Itwasworryingthatshedrovesofast.)

        (4)Itverb(tosb.)that…=sb/sthverbtodo(verb=appear,seem,comeabout,emerge,follow,chance,happen,occur,transpire,turnout,workout)例It(so)happened/chancedthattheywereout.(=Theyhappened/chancedtobeout.)

        (5)Itisv-edthat…=sb/sthistodo(verb=say,report,think,believe,hope,expect,agree,accept,decide,determine,intend,plan,understand,know)例Itissaidthatthecouplehavegottendivorced.(=Thecouplearesaidtohavegottendivorced.)

        (6)Itisv-edthat…(should)…(verb=demand,request,require,order,suggest,advise,recommend例Itissuggestedthattheyshouldbeginwiththethirdquestion.

        三、It作主语的句型1.Ittakessb.…todo…(=sbtakes…todo…)某人用多长时间做某事例Ittookthemenaweektomendourroof.(=Thementookaweektomendourroof.)2.It's(just)(un)likesb.todo…(不)像某人做某事的风格例Itwas(just)likehimtothinkofhelpingus.3.It's(about/high)timethat…should/v-ed…是该做某事的时候了例It's(about/high)timethatweshouldtakeaction.4.It'sthex-thtime(that)…havev-ed…例It's10yearsthathelivedhere6.Itwas(not)…before…过(不)了多长时间某动作发生了例Itwasnotlongbeforetheyarrived.

        四、It作形式宾语用来替代作宾语的从句、动词不定式、动名词,而把真正作宾语的从句、动词不定式、动名词置于句尾。It作形式宾语的常见句型:1.verb+it+adj./noun(for/of)todo/clause(verb=think,believe,suppose,consider,feel,make,keep…)例Ithinkithardforyoutodothetaskonyourown./Ithinkithardthatyou'lldothetaskonyourown.2.verb+it+adj./noun(one's)doing(adj.=useless/worth/worthwhile)(noun=nouse/nogood/worthone'swhile/awasteoftime/money/energy/words)(verb=think,believe,suppose,consider,feel,make,keep…)例I'llmakeitworthyourwhiletellingmeabouthissecret.3.verb+it+important/unimportant/necessary/unnecessary/natural/essentialthat…(should)…verb+it+ofmuch/great/no/littleimportancethat…(should)…(verb=think,believe,suppose,consider,feel,make,keep…)例Ithinkitimportantthatyou(should)attendtheconference.4.verb+it+as+noun/adj.+clause(verb=accept,regard,take,see,view)例Thelecturertakesitasencouragingwhensomanystudentsattendhislecture.5.v.+it+prep.+that…oweittosb.that…把…归功于…leaveittosbthat…把…留给某人去做takeitforgrantedthat…想当然keepitinmindthat…例Don'tbothertoarrangeanything.Justleaveittometosortout.6.It用在不能直接跟宾语从句的动词后面,尤其是表示好恶的动词后,enjoy,like,love,dislike,resent,hate,don'tmind,befondof,feellike,seeto宾语从句紧跟it之后例IhateityoucanswimsowellandIcan't.7.It用在不能直接跟宾语从句的介词后面,宾语从句紧跟it之后(exceptthat例外)例I'mforitthatyouwillfollowtheiradvice.

        五、强调句型Itis/was+被强调部分+that(who)…强调句型用来强调谓语动词以外的任何句子成分。

        当被强调部分是人时也可以用who。在使用强调句型时需注意以下几点:1.请注意强调句型的特殊疑问句例Whenwasitthathechangedhismindtotakepartintheactivity?2.在强调原因状语从句时,只能强调由because所引导的从句例Itwasbecausehewasillthathedidn'tcometoschoolyesterday.3.在强调not…until结构时必须把not与until一起放到被强调的位置上例ItwasnotuntilshetookoffherdarkglassesthatIrealizedshewasmybrother.4.注意强调句型与定语从句的区别例Itwasat7o'clockthathecamehereyesterday.(强调句型)Itwas7o'clockwhenhecamehereyesterday.(定语从句)

        六、It常用的固定搭配1.makeit

        (1).在口语当中相当于succeed,表示:成功、做到、说定、赶上、及时到达例It'shardtomakeittothetopinshowbusiness.

        (2).在口语中相当于fixthedatefor,表示“约定好时间”例—Shallwemeetnextweek?—OK.WejustmakeitnextSaturday.2.asitis

        (1).相当于infact,inreality表示“事实上,实际情况是……”例Wehadplanedtofinishthetasktoday,butasitisweprobablywon'tfinishituntilnextweek.

        (2).相当于方式状语从句,表示“照原样”例Leavethetableasitis.3.asitwere相当于asonemightsay,thatistosay,表示“也就是说,可以说,换句话说”例Heis,asitwere,amodernSherlockHolmes.4.ifitweren'tfor…/ifithadn'tbeenfor…用来引导虚拟语气,相当于without,orbutfor,表示“如果不是……,要不是……”例Ifitweren'tforTom,Iwouldn'tbealivetoday.5.that'sit

        (1).相当于That'sall.That'ssomuch.表示“至此为止,没有别的了”例Youcanhaveonemoresweet,andthat'sit.

        (2).相当于That'sright.表示“对啦”例—Iguessthekeytotheproblemisthechoice“A”—That'sit.6.catchit在口语中,相当于bepunished/scoldedfordoingsth.wrong.表示“因做错事而挨骂,受责备,受批评,受惩罚”例We'llreallycatchitformourteacherifwe'relateforclassagain.7.haveit

        (1).相当于say,insist表示“说,主张,表明,硬说”例Rumourhasitthattheyaregettingdivorced.

        (2).相当于gettoknowsomething,表示“了解,知道,获悉”例IhaditfromJohnthatshewasgoingabroad.8.havewhatittakes在口语中,相当于bewellqualifiedfor,表示“具有成功的条件”例Youcantakeitfrommethatyourdaughterhaswhatittakestobeastar.9.soitseems/appears.10.Keepatit!(Don'tgiveup!)相当于goon,表示“继续做,不放弃”例Myteacheraskedmetokeepatit.11.Goit!(Goon!)拼命干,莽撞12.Nowyouhavedoneit!(Youhavedonesth.wrong.)13.Nowyou'llcatchit!(You'llbepunished.)14.Asithappened,…在口语中,相当于it'sapitythat…,表示“真不凑巧,真遗憾”例Asithappened,theywereout.15.Asitturnedout,…在口语中,相当于itwasfoundtobeintheend,表示“最后被证明是”例Asitturnedout,hisstatementwasfalse.16.Suchasitis(theyare)在口语中,相当于althoughitmaynotbeworthmuch,表示“虽然没有多大价值”例Youcanborrowmyexamnotebook,suchasitis.17.Takeit/thingseasy.相当于Don'tworryordon'thurry.用来劝告别人,表示“不要慌,别担心,存住气”例Takeiteasy!Hewilldoitwell.18.Takeitfromme.在口语中,相当于believemewhatIsay.表示“请相信我的话,我敢担保”例Youcantakeitfrommethathewillmakeitthistime.19.Forwhatitisworth…在口语中,相当于althoughI'mnotsureit'sofvalue,表示“不管其价值如何”例HereisthearticleIpromiseyou,forwhatit'sworth.20.Worthit在口语中,相当于useful,表示“有好处,值得做”例Don'thesitateaboutit!It'sworthit.21.Believeitornot.表示“信不信由你”例Believeitornot,TomisgettingmarriedtoMarynextSunday.22.Takeitorleaveit.v.要么接受要么放弃例Thatismylastoffer.Youcantakeitorleaveit.23.Italldepends/thatalldepends在口语中,相当于ithasn'tbeendecidedyet,表示“那得看情况,还没有定下来”例—Areyougoingtothecountrysideforholiday?—It/Thatalldepends.24.It'suptosb.在口语中,相当于it'sdecidedbysb.表示“由……决定,由……负责,取决于……”例—Shallwegooutfordinner?—It'suptoyou.“It”用法及其句型和固定搭配专练1.WasitduringtheSecondWorldWar_____hedied?A.thatB.whileC.inwhichD.then

        (88)2.Is____necessarytocompletethedesignbeforeNationalDay?A.thisB.thatC.itD.he

        (89)3.Idon'tthink____possibletomasteraforeignlanguagewithoutmuchmemorywork.A.thisB.thatC.itsD.it

        (91)4.Does______matterifhecan'tfinishthejobontime?A.thisB.thatC.heD.it

        (91)5.Itwasnot_____shetookoffherglasses_____Irealizedshewasafamousfilmstar.A.when,thatB.until,thatC.until,thatD.when,then

        (92)6.Iwasdisappointedwiththefilm.Ihadexpected______tobemuchbetter.A.thatB.thisC.oneD.it

        (93)7.Itwasnotuntil1920______regularradiobroadcastsbegan.A.whileB.whichC.thatD.since

        (94)8.______isafactthatEnglishisbeingacceptedasaninternationallanguage.A.ThereB.ThisC.ThatD.It

        (95)9.ItwasonlywhenIrereadthispoemsrecently_____Ibegantoappreciatetheirbeauty.A.untilB.thatC.thenD.so

        (97)10.Ihate_____whenpeopletalkwiththeirmouthsfull.A.itB.thatC.theseD.them

        (98)11.Itistheabilitytodothejob_____mattersnotwhereyoucomefromorwhatyouare.A.oneB.thatC.whatD.it

        (2000)12.Ilike___intheautumnwhentheweatherisclearandbright.

        (2004)A.thisB.thatC.itD.one13.—Doyoulike___here?—Oh,yes.Theair,theweather,thewayoflife.Everythingissonice.(全国卷)A.thisB.TheseC.ThatD.it14.Weneededanewcupboardforthekitchen.SoPetermade___fromsomewood.(全国卷)A.itB.OneC.HimselfD.another15.TheforeignMinistersaid,"_____ourhopethatthetwosideswillworktowardspeace."(2004北京)A.ThisisB.ThereisC.ThatisD.Itis16._____isreportedinthenewspaper,talksbetweenthetwocountriesaremakingprogress.(2004北京)A.ItB.AsC.ThatD.What17.—Howoftendoyoueatout?(2004,天津)—________,butusuallyonceaweek.A.HavenoideaB.ItdependsC.AsusualD.Generallyspeaking18.Wewantedtogethomebeforedark,butitdidn'tquite_____asplaned.(2004浙江卷)A.makeoutB.turnoutC.goonD.comeup19.—Whatdoyouwanttodonext?Wehavehalfanhouruntilthebasketballgame.—________.Whateveryouwanttodoisfinewithme.A.ItjustdependsB.It'suptoyouC.AllrightD.Gladtohearthat20.Itwas____backhomeaftertheexperiment.A.notuntilmidnightdidhegoB.untilmidnightthathedidn'tgoC.notuntilmidnightthathewentD.untilmidnightwhenhedidn'tgoKEYS:1-5ACDDB6-10DCDBA11-15ACDBD16-20BBBBCTomangry.你的建议使我高兴但使汤姆生气。c)TommusthavebeenplayingbasketballandMary(musthavebeen)doingherhomework.汤姆肯定一直在打篮球,玛丽一直在写作业。

        d)GaoXiuminwasbornin1959andFuBiao(wasborn)in1963.高秀敏出生于1959年,傅彪出生于1963年。

        二、主从复合句中的省略1.状语从句中的省略一般说来省略现象多出现在下列五种状语从句中:由when,while,as,before,after,till,until,once等引导的时间状语从句;由whether,if,unless等引导的条件状语从句;由though,although,evenif,whatever等引导的让步状语从句;由as,than等引导的比较状语从句;由as,asif,asthough等引导的方式状语从句。上述状语从句在省略时应遵循下面原则:1)当状语从句的主语与主句的主语一致时,可以省略状语从句的主语和系动词be,这时从句中可出现如下结构:

        (1)连词(as,asif,once)+名词;

        (2)连词(though,whether,when)+形容词;

        (3)连词(whether,asif,while)+介词短语;

        (4)连词(when,while,though)+现在分词;

        (5)连词(when,if,evenif,unless,once,until,than,as)+过去分词;

        (6)连词(asif,asthough)+不定式。

        如:a)Once(hewas)aworker,PangLongnowbecomesafamoussinger.庞龙曾经是个工人,现在变成一位著名的歌手。b)Workhardwhen(youare)young,oryou'llregret.趁年轻要努力学习,要不然你会后悔的。c)Helookedeverywhereasif(hewas)insearchofsomething.他到处看似乎在找什么东西。

        d)While(hewas)holdingtalkswithPresidentHuJintao,USPresidentGeorgeW.BushthankedChinaforitsimportantroleintheSix-PartyTalks.美国总统布什在与胡锦涛主席会谈时,感谢中国在六方会谈中起的重要作用。e)Theexhibitionismoreinterestingthan(itwas)expected.这次展览比被预料的有趣的多。f)OlympicgoldmedallisthurdlerLiuXiangopenedhislipsasif(hewere)tospeak。

        奥林匹克金牌获得者跨栏运动员刘翔张开嘴好像要说什么。注意:1)当从句的主语和主句的宾语一致时,间或也有这样的省略,如:Herfathertoldhertobecarefulwhen(shewas)crossingthestreet.当她过马路时父亲告诉她要当心。2)当从句的主语是it,谓语动词中又含有系动词be时,可以把it和系动词be一起省略。

        此时构成连词(if,unless,when,whenever)+形容词的结构。如:Unless(itis)necessary,you'dbetternotrefertothedictionary.如果没有必要,你最好不要查字典。2.定语从句中的省略1)一般说来,在限制性定语从句中,作宾语的关系代词that,which,whom可以省略;如:Isthisreason(that)heexplainedatthemeetingforhiscarelessnessinhiswork?这就是他在会上解释他工作中粗心的原因吗?(2002上海春季)而在非限制性定语从句中作宾语的关系代词which,whom不可以省略。

        试比较:Tom(whom)yousawyesterdayfellill.(whom可以省)你昨天见到的汤姆病倒了。Tom,whomyousawyesterday,fellill.(whom不可以省)汤姆病倒了,你昨天见到他了。2)在口语和非正式用语中,关系副词when,where,和why经常用that来代替,甚至还可省略。

        如:a)Thisisthefirsttime(when/that)hehadtroublewiththeboss.这是他nhappy?你能告诉我们他为什么如此不高兴吗?3)当先行词为表示方式的theway时,从句不能用how来引导,应该用that或inwhich,或将它们全部省略。如:Idon'tliketheway(that/inwhich)youlaughather.我不喜欢你嘲笑他的行为。3.宾语从句中的省略1)在及物动词后面所接的宾语从句中,连词that一般可以省略;但如果及物动词后面是由that引导的两个或两个以上的并列的宾语从句,那么只有b)Hesaid(that)theAnti-secessionlawhadbeenpassedandthatPresidentHuJintaohadsignedapresidentialorder他说《反分裂国家法》已被通过,而且胡锦涛主席已签署了主席令。

        2)由which,when,where,how,和why引导的宾语从句,可以全部或部分省略。如:a)IknowthatNBAstarYaoMingwillcometoourcitybutIdon’tknowwhen(hewillcometoourcity).我知道NBA明星要到我们城市来但我不知道他什么时候来。b)Hewantstomoveabroadbuthisparentswonderswhy(hewantstomoveabroad)他想搬迁到国外但他的父母想知道为什么。

        4.在与suggest,request,order,advise等词相关的名词性从句中,须用虚拟语气形式“should+动词原形”,should可以省略。如:Chirac,PresidentoftheRepublicofFrancesuggestedthattheChina-FranceCultureYear(should)lastlonginvariousforms.法国总统希拉克建议中法文化年以各种各样的形式长期持续。5.主句省略多用于句首。

        如:(Itisa)PitythatIdidn’tgotoMary'sbirthdaypartyyesterday.很遗憾,我昨天没有去参加玛丽的生日聚会。6.在答语中,主句可全部省略。如:—WhywereyouabsentfromschoollastFriday?—(Iwasabsentfromschool)Becausemymotherwasill.—上周五你为什么没有上学?—因为我妈妈病了。

        三、简单句中的省略1.省略主语1)祈使句中的主语通常被省略如:(You)Openthedoor,please.请开一下门。2)其它省略主语多限于现成的说法如:a)(I)Thankyouforyourhelp谢谢你的帮助。b)(It)Doesn’tmatter.没关系。

        2.省略主谓语或主谓语的一部分如:a)(Thereis)Nosmoking.禁止抽烟b)(Isthere)anythingelse?还有其他事吗?c)(Youcome)Thiswayplease.请这边走。d)(Willyou)Haveasmoke?抽烟吗?3.省略宾语如:—DoyouknowMr.Li?你认识李先生吗?—Idon’tknow(him.)我不认识他4.省略表语如:—Areyouthirsty?你30岁了吗?Yes,Iam(thirsty).是的,我是。5.同时省略几个成分如:a)—Areyoufeelingbetternow?你觉得好些了吗?—(Iamfeeling)Muchbetter(now)好多了。

        b)(Iwish)Goodluck(toyou).祝你好运/祝你顺利。

        四、动词不定式省略,只保留to的场合1.不定式作某些动词的宾语时,这些动词常见的有:love,like,care,wish,hope,expect,prefer,refuse,mean,try,oblige,advise,persuade,agree,want,afford,forget,remember,try,manage等。如:a)—Youshouldhavethankedherbeforeyouleft.—Imeantto,butwhenIwasleavingIcouldn’tfindheranywhere.—你本该在离开前谢谢她。

        —我本打算这么做,但当我就要离开的时候我却找不到她了。(2000上海春)b)Youcandoitthiswayifyouliketo.如果你想做,你可以这么做。2.不定式作某些动词的宾语补足语或主语补足语时,这些动词常见的有:ask,tell,advise,force,persuade,wish,allow,permit,forbid,expect,order,warn等。

        如:a)Theboywantedtoridehisbicycleinthestreet,buthismothertoldhimnotto.男孩想在街上骑他的自行车,但他母亲不让。(NMET1995)b)Shewantstocomebutherparentswon’tallowherto(come).她想来,可是她父母不让。3.不定式在句中作某些形容词的状语时,常见的形容词有:happy,glad,eager,anxious,willing,ready等。

        如:—Iwillbeawayonabusinesstrip.Couldyoumindlookingaftermycat?—Notatall.Iwouldbehappyto(lookafteryourcat).—我要出差,你能帮我照顾一下我的猫吗?—没关系,我很愿意。4.不定式作某些复合谓语时,常见结构如:beableto,begoingto,haveto,oughtto,usedto等。如:Hedoesn’tlikefishbutheusedto他现在不喜欢吃鱼,但过去喜欢。

        五、动词不定式to的省略1.主语部分有todo,系动词is或was时,作表语的不定式通常省去to。如:Theonlythingyouhavetodoispressthebutton.你必须做的惟一事情是按按钮。2.作介词but,expect,besides的宾语,前面又有实意动词do时,不定式通常省去to.如:HesaidthatChenShuibianhadnothingtodoexceptpushapro-“independence”timetable.他说陈水扁除了推进支持“独立”的时间表外,什么也没有做。

        3.主语部分暗含todo,表语中的不定式通常省去to。如:AllIwant(todo)isgotoschoolandstudyhard.我想要(做)的就是上学,努力学习。4.当两个或多个不定式并列时,其后的不定式符号可以省略,但有对比关系时不可省略。

        如:Itiseasiertosaythantodo.说起来容易,做起来难。5.在wouldrather…than…等结构中,不定式符号常常要省略.如:Iwouldratherstayathomethangotoseeafilm.我宁愿呆在家也不愿去看电影。6.在see,watch,notice,hear,listento,lookat,feel,have,make,let,observe等词后作宾语补足语时省略不定式符号to;why(not)do结构中,不定式不带to。

        如:a)Isawherentertheroom.我看见她进入了房间b)Whynotjoinus?为什么不加入到我们的行列里来呢?六.其他一些省略结构1.名词所有格修饰的名词,若表示住宅、店铺、教堂或上下文已暗示或明确指出过的事物时,常常可以省略。如:WespenttheweekendattheMary's.我们在玛丽家过的周末。2.What和how引导的感叹句中,常可省略主语it和be动词如:a)Whatawonderfulvictory(itis)forTom!这对Tom来说是个多么大的胜利呀!b)Howbeautiful(itis)tobetreatedlikeanormalchild.被当作一个正常孩子对待对他而言是多么美妙的一件事呀。

        1.单数主语即使后面带有with,alongwith,togetherwith,like(象),but(除了),except,besides,aswellas,nolessthan,ratherthan(而不是),including,inadditionto引导的短语,谓语动词仍用单数.如:Airaswellaswaterismatter.空气和水都是物质.Nooneexcepttwoservantswaslateforthedinner.除了两个仆人外,没有一个人迟来用餐。2.用and连接的并列主语,如果主语是同一个人,同一事,同一概念,谓语动词用单数,否则用复数.如:Thepoetandwriterhascome.那位诗人兼作家来了.(一个人)Ahammerandasawareusefultools.锤子和锯都是有用的工具.(两样物)用and连接的成对名词习惯上被看成是一个整体,如:breadandbutter(黄油抹面包),knifeandfork(刀叉)等作主语时,谓语动词用单数。3.不定式(短语),动名词(短语),或从句作主语时,谓语动词用单数.如:Servingthepeopleismygreathappiness.为人民服务是我最大的幸福.Whenwe’llgooutforanoutinghasbeendecided.我们什么时候出去郊游已决定了。

        4.用连接的并列主语被each,every或no修饰时,谓语动词用单数.Everyboyandeverygirllikestogoswimming.每个男孩和每个女孩都喜欢去游泳.Noteacherandnostudentwasabsentfromthemeeting.没有老师也没有学生开会缺席.Eachmanand(each)womanisaskedtohelp.每个男人和每个女人都被请去帮忙。5.eachof+复数代词,谓语动词用单数.复数代词+each,谓语动词用单数.如:Eachofushassomethingtosay.我们每个人都有话要说。6.若主语中有morethanone或manya/an,尽管从意义上看是复数,但它的谓语动词仍用单数。

        但more+复数名词+thanone做主语时,谓语动词仍用复数.如:Manyaboylikesplayingbasketball.许多男生都喜欢打篮球.Morethanonestudentwaslate.不只一个学生迟到Morepersonsthanonecometohelpus.不止一个人来帮助我们。7.none做主语时,谓语动词可用单数,也可用复数;但在代表不可数的东西时总是看作单数,因而谓语动词要用单数.如:Noneofusare(is)perfect.人无完人。Noneofthisworriesme.这事一点不使我着急。

        8.名词如:trousers,scissors,clothes,goods,glasses等作主语时,谓语动词必须用复数.如:Hisclothesaregood.但这些名词前若出现apairof,谓语一般用单数.如:Apairofglassesisonthedesk.桌上有一副眼镜。9.形复意单名词如:news;以ics结尾的学科名称如:physics,mathematics,economics;国名如:theUnitedStates;报纸名如:theNewTimes;书名如:ArabianNight<;天方夜谈>;以及TheUnitedNations<;联合国>等作主语时,谓语动词用单数。10.“a+名词+andahalf“,“oneandahalf+名词”,“thenumberof+名词”等作主语时,谓语动词要用单数.如:Onlyoneandahalfapplesisleftonthetable.注意:oneortwo+复数名词作主语,谓语动词用复数形式,如:Oneortwoplaceshavebeenvisited.参观了一两个地点。

        (二)内容一致原则:1.主语中有all,half,most,therest等,以及”分数或百分数+名词”做主语时,谓语动词单复数取决于连用的名词.如:Therestofthebikesareonsaletoday.剩下的自行车,今天出售。60%oftheapplewaseatenbylittleboy.这个苹果的60%都被这个小男孩吃了。Mostoftheappleswererotten.大部分的苹果都是烂的。

        Mostoftheapplewaseatenbyarat.这个苹果的大部分被老鼠吃了。2.不定数量的词组,如:partof,alotof,lotsof,oneof,anumberof,plentyof等作主语时,谓语动词的单复数取决于量词后面名词的数.如:Apartofthetextbookshavearrived.一小部分教科书已运到。Apartoftheapplehasbeeneatenupbythepig.这个苹果的一部分被猪吃光了。

        3.加减乘除用单数.如:Fifteenminusfiveisten.15减去5等于10。4.表示时间,金钱,距离,度量等的名词做主语时,尽管是复数形式,它们做为一个单一的概念时,其谓语动词用单数.如:Tenmilesisagooddistance.十英里是一个相当的距离。5.

        (1)通常作复数的集体名词.包括police,people,cattle等,这些集体名词通常用作复数.如:TheBritishpolicehaveonlyverylimitedpowers.

        (2)通常作不可数名词的集体名词.包括equipment,furniture,clothing,luggage等.

        (3)可作单数也可作复数的集体名词.包括audience,committee,government,family,enemy,group,party,team,public等.如:Thecommitteehas/havedecidedtodismisshim.委员会决定解雇他。

        6.the+形容词/过去分词形式”表示一类人或事物,作主语时,谓语动词用复数.如:Theinjuredweresavedafterthefire.

        (三)就近原则1.由here,there,where等引导的倒装句中,(有时主语不止一个时)谓语动词与靠近它的主语在数上一致.如:Herecomesthebus公共汽车来了.Hereisapenandsomepiecesofpaperforyou.给你一支钢笔和几张纸。Whereisyourwifeandchildrentostaywhileyouareaway?你不在这儿的时候,你爱人和孩子在哪儿呆呢?2.用连词or,either....or,neither….nor,notonly….butalso等连接的并列主语,谓语动词与靠近它的主语在数上一致。如:Neitherthestudentsnortheteacherknowsanythingaboutit学生和老师都不知道这事.Heoryouhavetakenmypen.他或你拿了我的钢笔。

        注意:oneof+复数名词+who/that/which引导的定语从句中,定语从句的动词为复数。如:Maryisoneofthosepeoplewhokeeppets.玛丽是饲养宠物者之一。Theonlyoneof+复数名词+who/that./which引导的定语从句中,定语从句的动词应为单数。

        Maryistheonlyoneofthosepeoplewhokeepspets.玛丽是唯一一个饲养宠物的人。主谓一致练习1.About60percentofthestudents_____fromthesouth,therestofthem_____fromthenorthandforeigncountries.A.are/isB.are/areC.is/areD.are2.Halfoftheworkershere_____under30_____.A.is/yearsB.are/yearoldC.is/yearsoldD.are/yearsofage3.NowTomwithhisclassmates_____footballontheplayground.A.playB.areplayingC.playsD.isplaying4.Thenumberofpagesinthisdictionary_____abouttwothousand.A.areB.hasC.haveD.is5.Thirtydollars_____tooexpensive.A.areB.isC.wereD.be6.Theaudience_____solargethatnoseatwasleftunoccupiedinthegreathall.A.isB.areC.wasD.has7.Thesecretaryandprincipal_____atthemeetingnow.A.arespeakingB.isspeakingC.weremakingaspeechD.haveaspeech8."Ifanybody_____,pleaseputdown_____name,"saidtheteachertothemonitor.A.wantstobuythebook/hisB.wanttobuythebook/theirC.willbuythebook/one'sD.wantstohavethebookbought/her9.Nothingbutonedeskandsixchairs_____intheroom.A.areB.isstayedC.isD.areleft10.Havingarrivedatthestation,_____.A.itwasfoundthatthetrainhadleft&nb,sp;B.th,etrai,nhadleftC.thetrainwasfoundleftD.hefoundthatthetrainhadleft11.Betweenthetworoads_____aTVtowercalled"SkyscraperTower".A.standsB.standingC.whichstandsD.stand12.Eitherofyou_____goingtheretonight.A.willB.wasC.isD.are13.Youaswell_____right.A.IareB.IamC.asIamD.asIare14.AllbutDick_____inClassThreethisterm.A.areB.isC.wereD.was15.--ShallIwaithereforthreehours?--Yes.Threehours___,__t,,,,,owaitforsuchadoctor.A.arenotverylongforyouB.isnotlongenoughfo,,,,,ryouC.wasnotlongenoughforyouD.willbetoolongforyou16.Wheretogetthematerialsandhowtogetthem_____atthemeeting.A.havenotdiscussedB.havenotbeendiscussedC.hasnotdiscussedD.hasnotbeendiscussed17.ItookmathematicsandphysicsbecauseIthinkthat_____veryimportantformetomakefurtherresearchinthisfield.A.whatisB.theyareC.thisD.whichare18.Everystudentandeveryteacher_____.A.aregoingtoattendthemeetingB.haveattendedthemeetingC.hasattendedthemeetingD.isattendedthemeeting19.Threefourthsofthebread_____byBob,andtherestofthebread_____leftonthetable.A.waseaten/wereB.wereeaten/wasC.wereeaten/wereD.waseaten/was20.Thispairofshoes_____.A.isherB.ishersC.arehersD.areher21.There______nolifeonthemoon.A.issaidtohaveB.aresaidtohaveC.issaidtobeD.aresaidtobe22.Agroupof______areeating______and______atthefootofthehillA.sheep;grass;leavesB.sheepsgrassesleavesC.sheep;grassleafD.sheepsgrassleafs23.Myfamilyraisealotof_______,includingtwo______.A.cattlescowsB.cowscattleC.cattlecowsD.cow,cattles24.Whathesaysandwhathedoes_______.A.doesnotagreeB.donotagreeC.doesnotagreewithD.notagree25.Theboyandthegirleach______toys.A.havetheirownB.hastheirownC.haveherownD.hasherown26.Sheistheonlyoneamongthe______writerswho______storiesforchildren.A.woman,writesB.womenwriteC.womenwritesD.womanwrite27.Therailwaystationis______fromourschool.A.twohour`sdriveB.twohours`driveC.twohourdriveD.twohoursdrive28.MikeandJohn`s______.A.fatherisateacherB.fathersareteachersC.fatherareteachersD.fathersareteacher29.Agreatdealoftalkingandlisteningthat______undercasualcircumstancemayseemtobeaimless.A.isoccurredB.areoccurredC.occursD.occur30._______theclassroomneedstobecleaned.A.EithertheofficesorB.TheofficesandC.BoththeofficeandD.Theofficeand31.Three-fourthsofthehomework______today.A.hasfinishedB.hasbeenfinishedC.havefinishedD.havebeenfinished32.Morethan60percentoftheworld’sradioprogrammes______inEngland.A.isB.wasC.areD.be33.______workhasbeendonetoimprovethepeople`slivingstandardA.AgreatdealofB.AgreatmanyC.AlargenumberofD.Many34.Therestofthemagazines______withinhalfanhour.A.issoldoutB.aresoldoutC.wassoldoutD.weresoldout35.There______alotofsugarinthejar.A.hasB.haveC.isD.are36.“All______presentandall______goingonwell”,ourmonitorsaid.A.isisB.are,areC.areisD.isare37.YesterdaytheLeaguesecretaryandmonitor______askedtomakeaspeechatthemeeting.A.isB.wasC.areD.were.38.Maryaswellashersisters______ChineseinChina.A.arestudyingB.havestudiedC.studiesD.study39.Therich______notalwayshappy.A.areB.isC.willD.may40.______canbedone______done.A.All,havebeenB.Allthat,havebeenC.AllhasD.Allthat,hasbeen41.Eitheroftheplans______equallydangerous.A.areB.isC.hasD.have42.Thepolice______themurderereverywherewhenhesuddenlyappearedinatheatre.A.issearchingB.weresearchingforC.aresearchingD.wassearchingfor43.Yourtrousers______dirty,youmusthave______washed.A.isitB.areitC.arethemD.isthem44.TheOlympicgames______heldeveryfour______.A.isyearsB.areyearsC.isyearD.areyear45.Heistheolyoneofthestudentswho______elected.A.areB.haveC.hasD.is46.______agoodenoughpriceforthisbookA.TwoyuansareB.TwoyuanareC.TwoyuansisD.Twoyuanis47.Nobirdandnobeast______inthelonelyislandA.areseenB.isseenC.seeD.sees48.Everymeans______preventthewaterfrom______A.areusedtopollutingB.getusedtopollutingC.isusedto,pollutedD.isusedto,beingpolluted49.Eachofthe______intheship.A.passengerhashisownroomB.passengershavetheirownroomC.passengerhavetheirownroomD.sengershashisownroom50.Whatweneed______goodtextbooks.A.isB.areC.haveD.has51.Whatyousaidjustnow______todowiththematterwearediscussing.A.havesomethingB.hassomethingC.hadsomethingD.wassomething52.Eitheryourparentsoryourelderbrother______toattendthemeetingtomorrow.A.isB.areC.aregoingD.have53.Neitherofthenovelswhich______popularwithus______beentranslatedintoChinese.A.arehasB.arehaveC.ishaveD.ishas54.Everyboyandeverygirl______toattendtheeveningparty.A.wishB.wishesC.hopeD.arehoping55._______hasbeendone.A.nety—ninepercentsoftheworkB.HalfofwhathepromisedC.Two-fifthsofthearticlesD.Threequarterofthebusiness答案:1-5BDDDB6-10ABACD11-15ACDAB16-20DBCDB21-25CACBA26-30CBACA31-35CCADC36-40CBCAD41-45BBCBD46-50DBDDB51-55BAABB1不定式作宾语1)动词+不定式afford,aim,appear,agree,arrange,ask,be,decide,bother,care,choose,come,dare,demand,desire,determine,expect,elect,endeavor,hope,fail,happen,help,hesitate,learn,long,mean,manage,offer,ought,plan,prepare,pretend,promise,refuse,seem,tend,wait,wish,undertakeThedriverfailedtoseetheothercarintime.司机没能及时看见另一辆车。Ihappentoknowtheanswertoyourquestion.我碰巧知道你那道问题的答案。

        2)动词+不定式;动词+宾语+不定式ask,beg,choose,expect,hate,helpintendlike,love,needprefer,prepare,promise,want,wishIliketokeepeverythingtidy.我喜欢每件东西都保持整洁。Ilikeyoutokeepeverythingtidy.我喜欢你使每件东西都保持整洁。IwanttospeaktoTom.我想和汤姆谈话。

        IwantyoutospeaktoTom.我想让你和汤姆谈话。3)动词+疑问词+todecide,know,considerforget,learn,remember,show,understand,see,wonder,hear,findout,explain,tellPleaseshowushowtodothat.请演示给我们如何去做。Therearesomanykindsoftape-recordersonsalethatIcan'tmakeupmymindwhichtobuy.有这么多的录音机,我都拿不定主意买哪一种。

        注意疑问词带不定式在句中作成分时,谓语动词用单数。如:Thequestionishowtoputitintopractice.问题是怎样把它付诸实施。2.不定式作补语1)动词+宾语+不定式(todo)advise,allow,appoint,believe,cause,challenge,command,compel,consider,declare,drive,enable,encourage,find,forbid,force,guess,hire,imagine,impel,induce,inform,instruct,invite,judge,know,like,order,permit,persuade,remind,report,request,require,select,send,state,suppose,tell,think,train,trust,understand,urge,warna.Fatherwillnotallowustoplayonthestreet.父亲不让我们在街上玩耍。

        b.Webelievehimtobeguilty.我们相信他是有罪的。Find的特殊用法Find后可用分词做宾补,或先加形式宾语,再加形容词,最后加带to的动词不定式。find后也可带一个从句。

        此类动词还有get,have。Ifoundhimlyingontheground.Ifounditimportanttolearn.IfoundthattolearnEnglishisimportant.典型例题Thenextmorningshefoundtheman___inbed,dead.A.lyingB.lieC.layD.laying答案:A.find的宾语后面,用分词或分词短语,起宾语补足语作用。现在分词表达主动,也表达正在进行,过去分词表达被动。

        2)to+be的不定式结构,作补语的动词。acknowledge,believe,consider,think,declare(声称),discover,fancy(设想),feel,find,guess,judge,imagine,know,prove,see(理解),show,suppose,take(以为),understandWeconsiderTomtobeoneofthebeststudentsinourclass.我们认为汤姆是班上最好的学生之一。典型例题CharlesBabbageisgenerallyconsidered___thefirstcomputer.A.toinventB.inventingC.tohaveinventedD.havinginvented答案:A.由considertodosth.排除B、D。

        .此句只说明发明这一个事实,不定式后用原形即可。而C为现在完成时,发明为点动词一般不用完成时,且此处也不强调对现在的影响,因此不选C。3)tobe+形容词seem,appear,besaid,besupposed,bebelieved,bethought,beknown,bereported,hope,wish,desire,want,plan,expect,meanThebookisbelievedtobeuninteresting.人们认为这本书没什么意思。

        4)therebe+不定式believe,expect,intend,like,love,mean,prefer,want,wish,undrstandWedidn'texpecttheretobesomanypeoplethere.我们没料到会有那么多人在哪里。注意有些动词需用as短语做补语,如regard,thinkbelieve,take,consider.WeregardTomasourbestteacher.我们认为汤姆是我们最好的老师。Marytookhimasherfather.玛丽把他当作自己的父亲。

        3.不定式作主语1)It'seasy(forme)todothat.我做这事太容易了。easy,difficult,hard,important,possible,impossible,comfortable,necessary,better;thefirst,thenext,thelast,thebest,toomuch,toolittle,notenoughIt'ssonicetohearyourvoice.听到你的声音真高兴。It'snecessaryforyoutolockthecarwhenyoudonotuseit.当你不用车的时候,锁车是有必要的。

        2)It'sverykindofyoutohelpus.他帮助我们,他真好。kind,nice,stupid,rude,clever,foolish,thoughtful,thoughtless,brave,considerate(考虑周到的),silly,selfish(自私的)Itwassillyofustobelievehim.我们真愚蠢,竟然相信了他。Itseemedselfishofhimnottogivethemanything.他不给他们任何东西,这显得太自私了。

        注意1)其他系动词如,look,appear等也可用于此句型2)不定式作为句子成分时,动词用单数形式。3)当不定式作主语的句子中又有一个不定式作表语时,不能用Itis…to…的句型(对)Toseeistobelieve.百闻不如一见。(错)Itistobelievetosee.It'sforsb.和It'sofsb.1)forsb.常用于表示事物的特征特点,表示客观形式的形容词,如easy,hard,difficult,interesting,impossible等:It'sveryhardforhimtostudytwolanguages.对他来说学两门外语是很难的。

        2)ofsb的句型一般用表示人物的性格,品德,表示主观感情或态度的形容词,如good,kind,nice,clever,foolish,right。It'sveryniceofyoutohelpme.你来帮助我,你真是太好了。for与of的辨别方法用介词后面的代词作主语,用介词前边的形容词作表语,造个句子。

        如果道理上通顺用of,不通则用for。如:Youarenice.(通顺,所以应用of)。Heishard.(人是困难的,不通,因此应用for。

        )4.不定式作表语不定式可放在be动词后面,形成表语。例如:Myworkistocleantheroomeveryday.Hisdreamistobeadoctor.5.不定式作定语不定式做定语通常要放在被修饰的词后。例如:Ihavealotofworktodo.Sohemadesomecandlestogivelight.6.不定式作状语1)目的状语To…onlyto(仅仅为了),inorderto,soasto,so(such)…asto…(如此……以便……)Heransofastastocatchthefirstbus.他飞快地跑以便赶上3)表原因I'mgladtoseeyou.典型例题Thechairlooksratherhard,butinfactitisverycomfortableto___.A.sitB.sitonC.beseatD.besaton答案:B.如果不定式为不及物动词,其后应有必要的介词。

        当动词与介词连用时,常位于"形容词+动词不定式"结构的末尾。用作介词的toto有两种用法:一为不定式+动词原形;一为介词+名词/动名词,to在下面的用法中是在被动语态中则to不能省掉。Isawhimdance.=Hewasseentodance.Thebossmadethemworkthewholenight.=Theyweremadetoworkthewholenight.4)wouldrather,hadbetter:5)Why…/whynot…:6)help可带to,也可不带to,helpsb(to)dosth:7)but和except:but前是动词do时,后面出现的动词用不带to的动词不定式。

        8)由and,or和than连接的两个不定式,d等词后,可以省去tobe:Heissupposed(tobe)nice.他应该是个好人。举例:HewantstomovetoFranceandmarrythegirl.Hewantstodonothingbutgoout.比较:Hewantstodonothingbutgoout.Hewantstobelieveanythingbuttotakethemedicine.典型例题1)----Iusuallygotherebytrain.----Whynot___byboatforachange?A.totrygoingB.tryingtogoC.totryandgoD.trygoing答案:D.whynot后面接不带to的不定式,因此选D。2)Pauldoesn'thavetobemade___.Healwaysworkshard.A.learnB.tolearnC.learnedD.learning答案:B.make后接不带to的动词不定式,当其用于被动时,to不可省略。

        动词不定式的否定式Tellhimnottoshutthewindow…ShepretendednottoseemewhenIpassedby.我走过的时候,她假装没看见。典型例题1)Tellhim___thewindow.A.toshutnotB.nottoshutC.tonotshutD.notshut答案:B。tellsbtodosth的否定形式为tellsbnottodosth.2)Shepretended___mewhenIpassedby.A.nottoseeB.notseeingC.tonotseeD.havingnotseen答案:A。

        pretend后应接不定式。其否定形式为pretendnottodosth.。3)Mrs.Smithwarnedherdaughter___afterdrinking.A.nevertodriveB.toneverdriverC.neverdrivingD.neverdrive答案:A。

        warnsbtodosth.的否定形式为warnsbnottodosth.此处用的是否定词never.4)Theboywantedtoridehisbicycleinthestreet,buthismothertoldhim____.A.nottoB.nottodoC.notdoitD.donotto答案:A。notto为nottodoit的省略形式。可以只用to这个词,而不必重复整个不定式词组。

        及物动词do后应有名词、代词等,否则不对,因此B,D不对。5)Thepatientwaswarned___oilyfoodaftertheoperation.A.toeatnoB.eatingnotC.nottoeatD.noteating答案:C。warn一词要求后用不定式,此处为不定式的被动,否定形式为bewarnednottodo。

        不定式的特殊句型too…to…1)too…to太…以至于…Heistooexcitedtospeak.他太激动了,说不出话来。----CanIhelpyou?需要我帮忙吗?----Well,I'mafraidtheboxistooheavyforyoutocarryit,butthankyouallthesame.不用了。这箱子太重,恐怕你搬不动。

        谢谢您。2)如在too前有否定词,则整个句子用否定词表达肯定,too后那个词表达一种委婉含义,意为"不太"。It'snevertoolatetomend.(谚语)改过不嫌晚。

        3)当too前面有only,all,but时,意思是:非常…等于very。I'monlytoopleasedtobeabletohelpyou.我非常高兴能帮助你。Hewasbuttooeagertogethome.他非常想回家。

        不定式的特殊句型soasto1)表示目的;它的否定式是soasnottodo。Tomkeptquietabouttheaccidentsoasnottolosehisjob.汤姆对事故保持沉默是为了不丢掉他的工作。Goinquietlysoasnottowakethebaby.轻点进去,别惊醒了婴儿。

        2)sokindasto---劳驾Wouldyoubesokindastotellmethetime?劳驾,现在几点了。不定式的特殊句型Whynot"Whynot+动词原形"表达向某人提出建议,翻译为:"为什么不……?""干吗不……?"例如:Whynottakeaholiday?干吗不去度假?不定式的时态和语态时态\语态主动被动一般式todotobedone进行式tobedoing完成式tohavedonetohavebeendone完成进行式tohavebeendoing1)现在时:一般现在时表示的动词,有时与谓语动词表示的动作同时发生,有时发生在谓语动词的动作之后。Heseemstoknowthis.Ihopetoseeyouagain.=IhopethatI'llseeyouagain.我希望再见到你。

        2)完成时:表示的动作发生在谓语动词表示的动作之前。I'msorrytohavegivenyousomuchtrouble.Heseemstohavecaughtacold.3)进行时:表示动作正在进行,与谓语动词表示的动作同时发生。Heseemstobeeatingsomething.4)完成进行时:Sheisknowntohavebeenwreakingontheproblemformanyyears.动名词与不定式1)动名词与不定式的区别:动名词表达的是:状态,性质,心境,抽象,经常性,已发生的不定式表达的是:目的,结果,原因,具体,一次性,将发生的2)接不定式或动名词,意义相同。

        3)动名词与不定式语义不同的有11组:stoptodostopdoingforgettodoforgetdoingremembertodorememberdoingceasetodoceasedoingtrytodotrydoinggoontodogoondoingafraidtodoafraiddoinginterestedtodointeresteddoingmeantodomeandoingregrettodoregretdoingbegin/starttodobegin/startdoing特殊词精讲stopdoing/todostoptodo停止,中断做某事后去做另一件事。stopdoing停止做某事。Theystoptosmokeacigarette.他们停下来,抽了根烟。

        Imuststopsmoking.我必须戒烟了。典型例题Shereachedthetopofthehillandstopped___onabigrockbythesideofthepath.A.tohaverestedB.restingC.torestD.rest答案:C。由题意可知,她到了山顶,停下来在一个路边的大石头上休息。

        因此,应选择"stoptodosth.停下来去做另一件事"。而不仅仅是爬山动作的终止,所以stopdoingsth.不正确。stopdoing/todoforgetdoing/todoforgettodo忘记要去做某事。

        (未做)forgetdoing忘记做过某事。(已做)Thelightintheofficeisstilon.Heforgottoturnitoff.办公室的灯还在亮着,它忘记关了。(没有做关灯的动作)Heforgotturningthelightoff.他忘记他已经关了灯了。

        (已做过关灯的动作)Don'tforgettocometomorrow.别忘了明天来。(tocome动作未做)典型例题----Thelightintheofficeisstillon.----Oh,Iforgot___.A.turningitoffB.turnitoffC.toturnitoffD.havingturneditoff答案:C。由thelightisstillon可知灯亮着,即关灯的动作没有发生,因此用forgettodosth.而forgetdoingsth表示灯已经关上了,而自己忘记了这一事实。

        此处不符合题意。rememberdoing/todoremembertodo记得去做某事(未做)rememberdoing记得做过某事(已做)Remembertogotothepostofficeafterschool.记着放学后去趟邮局。Don'tyourememberseeingthemanbefore?你不记得以前见过那个人吗?regretdoing/todoregrettodo对要做的事遗憾。

        (未做)regretdoing对做过的事遗憾、后悔。(已做)Iregrettohavetodothis,butIhavenochoice.我很遗憾必须这样去做,我实在没有办法。Idon'tregrettellingherwhatIthought.我不为告诉她我的想法而后悔。

        典型例题---Youwerebraveenoughtoraiseobjectionsatthemeeting.---Well,nowIregret___that.A.todoB.tobedoingC.tohavedoneD.havingdone答案:D。regrethavingdonesth.对已发生的事感到遗憾。regrettodosth.对将要做的事感到遗憾。

        本题为对已说的话感到后悔,因此选D。ceasedoing/todoceasetodo长时间,甚至永远停做某事。ceasedoing短时停止做某事,以后还会接着做。

        Thatdepartmenthasceasedtoexistforever.那个部门已不复存在。Thegirlsceasedchattingforamomentwhentheirteacherpassedby.姑娘们在老师走过时,停了会聊天。trydoing/todotrytodo努力,企图做某事。

        trydoing试验,试着做某事。Youmusttrytobemorecareful.你可要多加小心。Itriedgardeningbutdidn'tsucceed.我试着种果木花卉,但未成功。

        goondoing/todogoontodo做了一件事后,接着做另一件事。goondoing继续做原来做的事。Afterhehadfinishedhismaths,hewentontodohisphysics.做完数学后,他接着去做物理。

        Goondoingtheotherexerciseafteryouhavefinishedthisone.作完这个练习后,接着做其他的练习beafraiddoing/todobeafraidtodo不敢,胆怯去做某事,是主观上的原因不去做,意为"怕";beafraidofdoing担心出现doing的状况、结果。doing是客观上造成的,意为"生怕,恐怕"。Shewasafraidtostepfurtheringrassbecauseshewasafraidofbeingbittenbyasnake.她生怕被蛇咬着,而不敢在草丛中再走一步。

        Shewasafraidtowakeherhusband.她不敢去叫醒她丈夫。Shewasafraidofwakingherhusband.她生怕吵醒她丈夫。beinteresteddoing/todointerestedtodo对做某事感兴趣,想了解某事。

        interestedindoing对某种想法感兴趣,doing通常为想法。Ishallbeinterestedtoknowwhathappens.我很想知道发生了什么事。(想了解)I'minterestedinworkinginSwitzerland.Doyouhaveanyideaaboutthat?我对在瑞士工作感兴趣。

        你想过这事吗?(一种想法)meantodoing/todomeantodo打算、想meandoing意味着Imeantogo,butmyfatherwouldnotallowmeto.我想去,但是我父亲不肯让我去。Toraisewagemeansincreasingpurchasingpower.赠加工资意味着增加购买力。begin(start)doing/todobegin/starttodosthbegin/startdoingsth.1)谈及一项长期活动或开始一种习惯时,使用doing.Howoldwereyouwhenyoufirststartedplayingthepiano?你几岁时开始弹钢琴?2)begin,start用进行时时,后面动词用不定式todoIwasbeginningtogetangry.我开始生起气来。

        3)在attempt,intend,begin,start后接know,understand,realize这类动词时,常用不定式todo。Ibegintounderstandthetruth.我开始明白真相。4)物作主语时Itbegantomelt.感官动词+doing/todo感官动词see,watch,observe,notice,lookat,hear,listento,smell,taste,feel+do表示动作的完整性,真实性;+doing表示动作的连续性,进行性Isawhimworkinthegardenyesterday.昨天我看见他在花园里干活了。

        (强调"我看见了"这个事实)Isawhimworkinginthegardenyesterday.(强调"我见他正干活"这个动作)昨天我见他正在花园里干活。典型例题1)Theyknewherverywell.Theyhadseenher___upfromchildhood.A.growB.grewC.wasgrowingD.togrow答案:A.因题意为,他们看着她长大,因此强调的是成长的过程,而非正在长的动作,因此用seesbdosth的句型。2)Themissingboywaslastseen___neartheriver.A.playingB.tobeplayingC.playD.toplay答案:A.本题强调其动作,正在河边玩,应此用seesb.doingsth句型。

        1)Theregoesthebell.铃声渐渐消失了。2)Thencamethechairman.然后主席就来了3)Hereisyourletter.这是你的信。2.表示运动方向的副词或地点状语置于句首,谓语表示运动的动词。

        例如:1)Outrushedamissilefromunderthebomber.轰炸机下面发出了一颗导弹。2)Aheadsatanoldwoman.注意:上述全部倒装的句型结构的主语必须是名词,如果主语是人称代词则不能完全倒装。例如:1)Herehecomes.他来了。

        2)Awaytheywent.他们走了。二部分倒装部分倒装是指将谓语的一部分如助动词或情态倒装至主语之前。如果句中的谓语没有助动词或情态动词,则需添加助动词do,does或did,并将其置于主语之前。

        1.句首为否定或半否定的词语,如no,not,never,seldom,little,hardly,atnotime,innoway,notuntil…等。例如:1)NeverhaveIseensuchaperformance.我从来没看过这样的表演。2)Nowherewillyoufindtheanswertothisquestion.你在哪儿都不会找到这个问题的答案。

        3)Notuntilthechildfellasleepdidthemotherleavetheroom.妈妈直到孩子睡着才离开房间。注意:当Notuntil引出主从复合句,主句倒装,从句不倒装。注意:如否定词不在句首不倒装。

        例如:1)Ihaveneverseensuchaperformance.我从来没看过这样的表演。2)Themotherdidn'tleavetheroomuntilthechildfellasleep.妈妈直到孩子睡着才离开房间。2.带有否定意义的词放在句首,语序需要部分倒装。

        常见的词语有:not,never,seldom,scarcely,barely,little,atnotime,notonly,notonce,underoncondition,hardly…when,nosooner…than…等。例如:1)Notonlydidherefusethegift,healsoseverelycriticizedthesender.他不仅拒收了礼品,还狠狠批评了送礼的人。2)Hardlyhadshegoneoutwhenastudentcametovisither.她刚要出门时有个学生来找她。

        3)Nosoonerhadshegoneoutthanastudentcametovisither.她刚要走时一个学生来看她。注意:只有当Notonly…butalso连接两个分句时,才在1)TomaskedmetogotoplayfootballandsoIdid.Tom让我去踢足球,我去了。2)---It'sraininghard.---Soitis.---雨下得很大。

        ---的确很大。4.only放在句首,强调状语(副词,介词短语或状语从句等),全句语序要部分倒装。例如:Onlyinthisway,canyoulearnEnglishwell.你只有用这种方法才能学好英语。

        Onlyafterbeingaskedthreetimesdidhecometothemeeting.他被请了三次才来开会。注意:如果句子为主从复合句,则主句倒装,从句不倒装Onlywhenheisseriouslyill,doesheeverstayinbed.他只有病得非常严重时才会卧床休息。三as,though引导的倒装句as/though引导的让步从句必须将表语或状语提前(形容词,副词,分词,实义动词提前)。

        此时应注意:1)句首名词不能带任何冠词;2)句首是实义动词,其他助动词放在主语后。如果实义动词有宾语和状语,随实义动词一起放在主语之前。例如:Tryhardashewill,heneverseemsabletodotheworksatisfactorily.尽管他愿意努力工作,但是他好像从来都不能令他的工作満意。

        注意:让步状语从句中,有though,although时,后面的主句不能有but,但是though和yet可连用。四其他部分倒装1.so…that句型中的so位于句首时,需倒装。例如:Sofrightenedwashethathedidnotdaretomoveaninch.他害怕得动都不敢动。

        2.在某些表示祝愿的句型中,例如:Mayyouallbehappy.望大家开心愉快。3.在虚拟语气条件句中从句谓语动词有were,had,should等词,可将if省略,把were,had,should移到主语之前,采取部分倒装。例如:WereIyou,Iwouldtryitagain.如果我是你,我就再试一次。

        关系代词有:who,whom,whose,that,which,as。做宾语时可以省略。定语从句中的谓语动词必须在人称上和数量上和先行词保持一致。

        定语从句分为限制性定语从句和非限制性定语从句。1、关系代词引导的定语从句1)who,whom,that这些词代替的先行词是人的名词或代词,在从句中所起作用如下:Ishethemanwho/thatwantstoseeyou?(who/that在从句中作主语)Heisthemanwhom/thatIsawyesterday.(whom/that在从句中作宾语)2)whose用来指人或物,(只用作定语,若指物,它还可以同ofwhich互换),例如:Pleasepassmethebookwhose(ofwhich)coverisgreen.3)which,that它们所代替的先行词是事物的名词或代词,在从句中可作主语、宾语等,例如:Aprosperitywhich/thathadneverbeenseenbeforeappearsinthecountryside.(which/that在句中作宾语)Thepackage(which/that)youarecarryingisabouttocomeunwrapped.(which/that在句中作宾语)关系代词that和which都可以指物,that和Who都可以指人,其用法区别:不用that的情况:a)在引导非限定性定语从句时(错)Thetree,thatisfourhundredyearsold,isveryfamoushere.b)介词后不能用Wedependonthelandfromwhichwegetourfood.c)多用who的情况①关系代词在从句中做主语Afriendwhohelpsyouintimeofneedisarealfriend.②先行词为those,people时Thosewhowereeitherfoolsorunfitfortheirofficescouldnotseethecloth.③先行词为all,anyone,ones,one指人时Onewhodoesn'tworkhardwillneversucceedinhiswork.④在Therebe句型中Thereisastrangerwhowantstoseeyou.⑤在被分隔的定语从句中AnewteacherwillcometomorrowwhowillteachyouGerman.⑥在有两个定语从句的句子中,其一用who,其二用that,但若先行词后接两个以上的并列定语从句时,后一个必须重复前一个关系代词。Thestudentwhowaspraisedatthemeetingisthemonitorthatisverymodestandstudiesveryhard.Thereisateacherwhoisalwaysreadytohelpothersandwhoenjoyswhathedoes.2)只能用that作为定语从句的关系代词的情况a)在不定代词,如:anything,nothing,everything,all,much,few,any,little等作先行词时,只用that,不用which。

        Allthatisneededisasupplyofoil.Finally,thethiefhandedeverythingthathehadstolentothepolice.b)先行词有theonly,thevery,thejust修饰时,只用that。Heistheverymanthathelpedthegirloutofthewater.c)先行词为序数词(thelast)、数词、形容词最高级时,只用that。ThefirstEnglishbookthatIreadwas"ThePrinceandthePauper"byMarkTwin.d)先行词既有人,又有物时。

        Whoisthepersonthatisstandingatthegate.f)关系代词在从句中做表语Heisnotthemanthatheusedtobe.2、关系副词引导的定语从句关系副词可代替的先行词是时间、地点、方式或理由的名词,在从句中作状语。关系副词when,where,why,how的含义相当于"介词+which"结构,因此常常和"介词+which"结构交替使用,例如:Thereareoccasionswhen(onwhich)onemustyield.Beijingistheplacewhere(inwhich)Iwasborn.Isthisthereasonwhy(forwhich)herefusedouroffer?I'msurprisedthewayhow(bywhich)heworksouttheproblem.注意:①在非限制性定语从句中,"介词+which"结构不能代替关系副词。如:Theysetupastatefortheirown,wheretheywouldbefreetokeepNegroesasslaves.②含有介词短语的动词一般不能拆开,介词仍放在动词后面。

        Isthisthebookwhich(that)shewaslookingfor?

        3、名词/数词/代词/形容词最高级+介词+关系代词引导定语从句Shehaswrittenabook,thenameofwhichIhaveforgotten.Therearefifty-fivestudentsinourclass,allofwhomareworkinghard.Therearefivecontinentsintheworld,thelargestofwhichisAsia.

        4、as,which引导非限定性定语从句的差别由as,which引导的非限定性定语从句,as和which可代整个主句,相当于andthis或andthat。As一般放在句首,which在句中。Asweknow,smokingisharmfultoone'shealth.Thesunheatstheearth,whichisveryimportanttous.as可引导非限制性从句,常带有“正如”的意思。

        Asisknow,smokingisharmfultoone'shealth.用法区别:

        (1)as引导的定语从句可置于句首,而which不可。Asweallknow,heneversmokes.

        (2)as代表前面的整个主句并在从句中作主语时,从句中的谓语必须是系动词;若为行为动词,则从句中的关系代词只能用which。

        (3)非限定性定语从句中出现expect,think,suppose等表示猜测、想象、预料等时。

        Shesucceededinherdoingtheresearchwork,asweexpected.

        (4)As的用法thesame…as;such…as中的as是一种固定结构,和……一样……。Ishouldliketousethesametoolasisusedhere.Weshouldhavesuchadictionaryasheisusing.定语从句语法专项练习习题精选1.Istillrememberthenight_______Ifirstcametothehouse.2.I'llneverforgettheday________wemeteachotherlastweek.3.MrBlackisgoingtoBeijinginOctober,_______isthebestseasonthere.4.Iwillneverforgetthedays_______Ispentwithyourfamily.5.I'llneverforgetthelastday______wespenttogether.6.Thisistheschool______Iusedtostudy.7.Doyoustillremembertheplace______wevisitedlastweek?8.Doyoustillremembertheplace_______wevisitedthepaintingexhibition?9.HaveyoueverbeentoHangzhou,_____isfamousfortheWestLake?10.HaveyoueverbeetoHangzhou,______liestheWestLake?11.TomwillgotoShanghai,______livehistwobrothers.12.IliveinBeijing,____isthecapitalofChina.13.Therewasatime______therewereslavesintheUSA.14.Itisthethirdtime______youhavemadethesamemistake.15.Itwasinthestreet_____ImetJohnyesterday.16.Itwasabout600yearsago____thefirstclockwithafaceandanhourhandwasmade.17.Themoment_____Isawyou,Irecognized(认出)you.18.Thisistheverynovelabout____we'vetalkedsomuch.19.Thisistheway____hedidit.20.Whoisthestudent_____waslateforschooltoday?21.Who_____knowshimwantstomakefriendswithhim?22.Whatelsewasthereinmybrother____youdidn'tlike?23.Helivesintheroom____windowfacestothesouth.24.Helivesintheroom,thewindow_____facestothesouth.25.ThisisMr.Johnfor____sonIbroughtabookyesterday.26.ThisisMr.Johnfor_____Iboughtabookyesterday.27.Thisisthehour_____theplaceisalwaysfullofwomenandchildren.28.Andthereisonepoint______I'dlikeyouradvice.29.Winteristhetimeofyear______thedaysareshortandnightsarelong.30.Ihopeyouwillfindthisvalleyabeautifulplace____youmayspendyourweekend.KEYS:1.when2.when3.which4.that/which5.that6.where7.that/which8.where9.which10.where11.where12.which13.when14.that15.that16.that17.(that)18.which19.(that/inwhich)20.that21.that22that23.whose24.ofwhich25.whose26.whom27.when28.that29.that30.where巧记为:被动、被动、主被动。例如:Englishisspokenbymanypeople.主语English是动词speak的承受者。

        主动态和被动态指的是动词形式,是词法概念;而主动句和被动句则指的是句子结构,从而是句法概念。所谓主动句就是由主动态动词(词组)作谓语动词的句子,而被动句则是由被动态动词(词组)作谓语动词的句子。例如:Heopenedthedoor.他开了门。

        (主动句)Thedoorwasopened.门被开了。(被动句)

        二、被动语态的构成被动语态由“助动词be+及物动词的过去分词”构成。人称、数和时态的变化是通过be的变化表现出来的。

        现以teach为例说明被动语态在各种时态中的构成。一般现在时:am/is/are+taught一般过去时:was/were+taught一般将来时:will/shallbe+taught现在进行时:am/is/arebeing+taught过去进行时:have/hasbeen+taught现在完成时:have/hasbeen+taught记忆歌诀:被动语态be字变,过去分词跟后面。注意:区分被动语态与“be+过去分词”结构be+过去分词”并不一定都是被动语态,有时是系表结构。

        当“be+过去分词”表示动作时为被动语态,be是助动词,be后面的过去分词是主要动词,动作的对象是主语;当“be+过去分词”表示主语所处的状态时为系表结构,be是连系动词。be后面的过去分词是表语,相当于形容词。其区分办法如下:1如果强调动作或句中有介词by引导出动作的执行者,该句一般为被动语态,否则为系表结构。

        例如:Theglassisbroken.玻璃杯碎了。(系表结构)Theglasswasbrokenbytheboy.玻璃杯被那男孩打碎了。(被动语态)2如果句中有地点、频率或时间状语时,一般为被动语态。

        如:ThemagazineispublishedinShanghai.这家杂志出版于上海。(被动语态)Thedoorislocked.门锁着。(系表结构)Thedoorhasalready/justbeenlocked.门已经/刚刚被锁上。

        (被动语态)Theshopisopened.这家商店开门了。(系表结构)Theshopisopenedat8a.m.everyday.这家商店每天上午八点开门。(被动语态)3被动语态除用于一般时态和完成时态外,还可以用于其他各种时态,而系表结构中的系动词be只有一般时

        三、被动语态的用法1不知道或没有必要说明动作的执行者是谁。

        例如:1)Somenewcomputerswerestolenlastnight.一些新电脑在昨晚被盗了。(不知道电脑是谁偷的)2)Thisbookwaspublishedin1981.这本书出版于1981年。2强调动作的承受者,而不强调动作的执行者。

        例如:1)Thisbookwaswrittenbyhim.这本书是他写的。2)Eighthoursperdayforsleepmustbeguaranteed.每天8小时睡眠必须得到保证。记忆歌诀:谁做的动作不知道,说出谁做的没有必要;动作承受者需强调,被动语态运用到。

        四、主动语态变被动语态的方法1把主动语态的宾语变为被动语态的主语。2把谓语变成被动结构(be+过去分词),根据被动语态句子里的主语的人称和数,以及原来主动语态句子中动词的时态来决定be的形式。3把主动语态中的主语放在介词by之后作宾语,将主格改为宾格。

        例如:1)Allthepeoplelaughedathim.=Hewaslaughedatbyallpeople.2)Theymakethebikesinthefactory.=Thebikesaremadebytheminthefactory.记忆歌诀:宾变主,主变宾,by短语后面跟。谓语动词变被动,be后“过分”来使用。

        五、含有情态动词的被动语态含有情态动词的主动句变成被动句时,由“情态动词+be+过去分词”构成,原来带to的情态动词变成被动语态后“to”仍要保留。

        记忆歌诀:情态动词变动,情态加be加“过分”,原来带to要保留。例如:1)Wecanrepairthiswatchintwodays.=Thiswatchcanberepairedintwodays.2)Yououghttotakeitaway.=Itoughttobetakenaway.3)Theyshoulddoitatonce.=Itshouldbedoneatonce祈使句常常是表达说话人对对方的劝告、叮嘱、请求或命令等。因此,祈使句中一般没有主语,但根据其句意,实际上是省略了主语you。

        祈使句句末用感叹号或句号,朗读时,常用降调。在表达请求或劝告时,在祈使句前或句末可加,上please,以使句,子的语气更加缓和,或客气。祈使句一般没有时态的变化,也不能与情态动词连用。

        例如:Keepoffthegrass!勿踩草地!Puttheboxesinthesmallroom.把那些盒子放到那个小房间里。二.祈使句的肯定句式祈使句的肯定句式一般分为以下三种类型:1.行为动词原形+其他成分。例如:Makesentencesafterthemodel.根据例句造句。

        2.Be动词+其他成分(形容词、名词或介词短语等)。例如:Becarefulwhencrossingthestreet.过马路时要小心。3.Let,+宾语+动词原,形+,其他,成分,。

        例如:Lethimgobacknow.让他现在回去吧。三.祈使句的否定句式祈使句的否定句式,通常情况下在句首加上Don’t或Never,一般分为以下四种类型:1.在祈使句的肯定句式前加Don’t,构成“Don’t+行为动词原形+其他成分”。例如:Don’tsaythatagain!别再那样说了!2.在Be动词引起的肯定祈使句前加Don’t,构成“Don’tbe+其他成分(形容词、名词或介词短语等)”。

        例如:Don’tbecareless.不要粗心。注意:在这种句型中be不能省略;否定副词not不可置于be之后。3.Let引起的祈使句的否定形式有两种:

        (1)Let开头的祈使句,如果后面跟无论什么时候我们碰到她,都不要告诉她真相。

        4.在公共场合的提示语中,否定祈使句常用“No+名词/V-ing形式”结构,表示“禁止做某事”。例如:NOPHOTOS!禁止拍照!四.祈使句的反意问句祈使句的反意疑问句须按其句子结构及讲话人的语气来决定其疑问部分。通常有以下三种形式:1.祈使句为肯定句式,其反意疑问句表示请求时,通常用willyou;表示邀请、劝说时,用won’tyou。

        例如:Besuretowritetous,willyou?你一定要给我们写信,好吗?Cometohavedinnerwithusthisevening,won’tyou?今晚来和我们一起吃饭,好吗?2.祈使句为否定句式,其反意疑问句通常只用willyou。例如:Don’tsmokeinthemeetingroom,willyou?不要在会议室抽烟,好吗?3.Let开头的祈使句构成反意疑问句时,除Let’s用shallwe外,其他均用willyou。例如:Lettheboygofirst,willyou?让个那男孩先走,好吗?Let’stakeawalkaftersupper,shallwe?晚饭后我们去散步,好吗?五.祈使句的回答祈使句的动作通常是表示将来发生的动作,所以回答祈使句时,一般用will或won’t。

        在回答具有否定意义的祈使句时,要注意两点:一是“形式一致”,即Yes与will保持一致;No与won’t保持一致。二是“意思相反”,即Yes是“不”的意思;No是“是”的意思。在回答时,要注意分析上下文语境中所提供的条件。

        例如:---Don’tgoout,please.It’srainingheavilyoutside.请不要出去。外面雨下得很大。----Yes,Iwill.Ihavetomeetmybrotherattheairport.不行,我得去机场接我弟弟。

        六.祈使句与陈述句的并列使用祈使句后接陈述句时,须用连接词连接。如果祈使句与陈述句表示的是一种顺承关系时,要用并列连词and来连接;如果祈使句与陈述句存在一种否定条件关系时,要用并列连词or来连接。例如:LeaveitwithmeandIwillseewhatIcando.把它留给我吧,我想想有没有办法。

        Hurryup,orwe’llbelate.快点,否则我们要迟到了。七.祈使句与条件状语从句的连用祈使句与条件状语从句连用时,条件状语从句可置于祈使句前或后。例如:Tellhimtomakeaphonecalltomeifhecomesheretomorrow.如果他明天来这儿的话,叫他给我来个电话。

        八.祈使句的强调形式祈使句的强调形式通常在肯定祈使句式前加上助动词Do(Do在句中无意义)。例如:Doshutup!快住口!九.特殊形式的祈使句在英语中,有些祈使句不是以动词原形来引起一个祈使句,而是以一个名词短语来充当,且后接一个带有并列连接词的分句。实际上,这个充当祈使句的名词短语相当于一个条件状语从句。

        例如:Morewaterandtheyoungtreescouldn’thavedied.=Ifyouhadgiventhemmorewater,theyoungtreescouldn’thavedied.如果你给那些小树多浇点水,他们就不会死了。十.运用祈使句的误区祈使句往往容易与不定式、分词或条件状语从句相混淆。在平时的练习或测试中,如果稍不留神,就会出错。

        因此,要认真审题,认真分析句子结构,并根据上下文语境,作出正确判断。例如:___________yourcompositioncarefully,somespellingmistakescanbeavoided.A.HavingcheckedB.CheckC.IfyoucheckD.Tocheck析:如果空白处选填B(Check)项,则视为祈使句,但后一分句前没有并列连接词and连接;如选A或D项(分词或不定式),句中逻辑主语somespellingmistakes又不能执行这个动作,故均不符合句子结构。因此,只有C项(条件状语从句)符合句子结构及句意。

        theworkersIsswimming!areworking!修饰动词How=whattheflowersHow=howfastShesheheheLovestheflowers!loves!runs!runs!What(形容词)修饰单数可数名词Whatanicegirl=HowniceagirlJennyJennyWas!was!修饰复数可数名词WhatnicegirlsTheyWere!修饰不可数名词WhatfineweatherwhatdirtywaterItheIs!drank!感叹句的特殊形式感叹句还可由陈述句、疑问句、祈使句,甚至一个词组及单词构成。例如:Therewasnofaceshowing!He’ssuchaniceboy!TheGreatWallisamagnificentbuilding!Isn’titsnowingheavily!Wonderful!Nonsense!HappyNewYeartoyou!Cheer!定义:表达疑问(亦即发问)或请求的句子叫做疑问句。例:Isheafriendofyourbrother's?(他是你哥哥的朋友吗?——发问)Canyoudothisforme?(你能替我做这件事吗?——请求)疑问句的句末必须使用问号(Questionmark)“?”来标示问句的结束。

        疑问句:可分为一般疑问句、特殊疑问句、选择疑问句、反意疑问句和否定疑问句。种类特征语调举例回答一般疑问句系+主+表+?助动词+主+动+?升调AreyoufromLondon?DoyouspeakRussian?用yes,no回答特殊疑问句疑问词+系+表+?疑问词+助+主+动+?降调Howareyoufeeling?Whenwillyougetthere?直接回答,不用yes或no选择疑问句一般问句:系+主+表+…or…?助+主+动+…or…?Or前升调。Or后降调Ishetallorshort?Doeshestayhomeorgothere?直接回答问句中一个,不用yes,no特殊问句:疑问词+系+主+…or…?Whorunsfaster,TomorPeter?选一个答案,不用yes,no反意疑问句陈述部分肯定:陈述,助(系)+not+主?陈述部分用降调,一问部分用升调Itisraining,isn’tit?Youdidit,didn’tyou?答案肯定时用yes,否定时用no陈述部分否定:否定陈述句,助(系)+主+?如对陈述肯定,可用降调Itisn’tfine,isit?Theyhaven’tcome,havethey?否定疑问句系+not+主+表?助+not+主+动+?表示惊异用升调。

        赞叹、责难用降调Aren’ttheybeautiful?Won’tyoucomeinforaminute?在英语中,名词用以表示人或事物的名称,是各级各类考试的热点之一,主要测试考生辨析近义词和近形词的能力。名词不但有单复数的变化,而且有普通名词和专有名词之分,还有用法独待的所有格形式。1.名词复数的规则变化情况构成方法读音例词一般情况加-s1.清辅音后读/s/;2.浊辅音和元音后读/z/;book---booksbag---bagscar----cars以s,sh,ch,x等结尾的词加-es读/iz/bus-buseswatch-watches以ce,se,ze,(d)ge等结尾的词加-s读/iz/license-licenses以辅音字母+y结尾的词变y为i再加es读/z/baby---babies2.名词复数的不规则变化1)以y结尾的专有名词,或元音字母+y结尾的名词变复数时,直接加s变复数。

        如:twoMarystheHenrysmonkey---monkeysholiday---holidays比较:层楼:storey---storeysstory---stories2)以o结尾的名词,变复数时:a.加s,如:photo---photospiano---pianosradio---radioszoo---zoos;b.加es,如:potato--potatoestomato--tomatoesc.均可,如:zero---zeros/zeroes3)以f或fe结尾的名词变复数时:a.加s,如:belief---beliefsroof---roofssafe---safesgulf---gulfs;b.去f,fe加ves,如:half---halvesknife---knivesleaf---leaveswolf---wolveswife---wiveslife---livesthief---thieves;c.均可,如:handkerchief:handkerchiefs/handkerchieves3.不可数名词数的表示方法1)物质名词a.当物质名词转化为个体名词时。比较:Cakeisakindoffood.蛋糕是一种食物。(不可数)Thesecakesaresweet.这些蛋糕很好吃。

        (可数)b.当物质名词表示该物质的种类时,名词可数。Thisfactoryproducessteel.(不可数)Weneedvarioussteels.(可数)c.当物质名词表示份数时,可数。Ourcountryisfamousfortea.Twoteas,please.请来两杯茶。

        我国因茶叶而闻名。2)抽象名词有时也可数。fourfreedoms四大自由thefourmodernizations四个现代化物质名词和抽象名词可以借助单位词表一定的数量。

        如:aglassofwater一杯水apieceofadvice一条建议4.定语名词的复数名词作定语一般用单数,但也有例外。1)用复数作定语。如:sportsmeeting运动会studentsreading-room学生阅览室talkstable谈判桌theforeignlanguagesschool外语学校2)man,woman,gentleman等作定语时,其单复数以所修饰的名词的单复数而定。

        如:menworkerswomenteachersgentlemenofficials3)有些原有s结尾的名词,作定语时,s保留。如:goodstrain(货车)armsproduce武器生产4)数词+名词作定语时,这个名词一般保留单数形式。如:two-dozeneggs两打/(二十四个鸡蛋)aten-milewalk十里路two-hundredtrees两百棵树afive-yearplan.一个五年计划5.不同国家的人的单复数名称总称(谓语用复数)一个人两个人中国人theChineseaChinesetwoChinese俄国人theRussiansaRussiantwoRussians瑞士人theSwissaSwisstwoSwiss澳大利亚人theAustraliansanAustraliantwoAustralians意大利人theItaliansanItaliantwoItalians希腊人theGreekaGreektwoGreeks法国人theFrenchaFrenchmantwoFrenchmen日本人theJapaneseaJapanesetwoJapanese美国人theAmericansanAmericantwoAmericans加拿大人theCanadiansaCanadiantwoCanadians印度人theIndiansanIndiantwoIndians英国人theEnglishanEnglishmantwoEnglishmen瑞典人theSwedishaSwedetwoSwedes德国人theGermansaGermanstwoGermans6.名词的格在英语中有些名词可以加"'s"来表示所有关系,带这种词尾的名词形式称为该名词的所有格,如:ateacher'sbook。

        名词所有格的规则如下:1)单数名词词尾加"'s",复数名词词尾没有s,也要加"'s",如theboy'sbag男孩的书包,men'sroom男厕所。2)若名词已有复数词尾-s,只加"'",如:theworkers'struggle工人的斗争。3)凡不能加"'s"的名词,都可以用"名词+of+名词"的结构来表示所有关系,如:thetitleofthesong歌的名字。

        4)在表示店铺或教堂名字或某人的家时,名词所有格的后面常常不出现它所修饰的名词,如:thebarber's理发店。5)如果两个名词并列,并且分别有's,则表示"分别有";只有一个's,则表示'共有'。如:John'sandMary'sroom(两间)JohnandMary'sroom(一间)6)复合名词或短语,'s加在最后一个词的词尾。

        如:

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