英语专业四级词汇语法辅导非谓语动词.pptx





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1、不定式第1页/共82页不定式的时态主动形式主动形式被动形式被动形式一般式一般式to doto be done完成式完成式to have doneto have been done进行式进行式to be doing完成进行式完成进行式to have been doing第2页/共82页不定式时态1)不定式的一般式不定式的一般式表示的动作与谓语动词的动作是同时发生的或是在其后发生的。例如:Thousandsofyoungpeoplearelearningtoski数以千计的年轻人在学习滑雪。(同时)Wherecanwegetsomesicklestocutthericewith?我们到哪儿去弄些镰
2、刀割稻呢?第3页/共82页真题TheMinisterofFinanceisbelieved_ofimposingnewtaxestoraiseextrarevenue.(2004-48)A.thatheisthinkingB.tobethinkingC.thatheistothinkD.tothinkB第4页/共82页不定式时态不定式的进行式1.不定式的进行式强调其所表示的动作在主要谓语动词所表示的动作发生时正在进行。e.g.Hepretendedtobelisteningtotheteachercarefully.He is said to write a preface to the bo
3、ok.(He will write)He is said to be writing a preface to the book.(He is writing)Compare the two sentences:第5页/共82页不定式时态2.不定式的完成进行式强调其所表示的动作在主要谓语动词所表示的动作发生之前发生,而且一直进行。e.g.Sheisknowntohavebeenworkingontheproblemformanyyears.e.g.Helookedtoyoungtohavebeenpublishingbooksforsixyears.他看上去很年轻,不像是已经出版了六年书的人。
4、第6页/共82页不定式的完成式1.用在intended,expected,meant,hoped,wanted,promised,planned,wished,thought,desired,was,were等后,表示过去没有实现的愿望,计划或期待等。也可用来表示先于谓语动词发生动作或状态,tohave+过去分词表示动作,tohavebeen表示状态。第7页/共82页ExamplesIintendedtohavecometoseeyou.(我本打算来看你的)Hewastohavefetchedyouhere他本该去把你带来的。TheyweretohavebeenmarriedinMaybuth
5、adtopostponetheweddinguntilJune.ShehastohavepassedAdvancedLevelintwosubjectsbeforeshegoestouniversity.(必先通过,才能)Youareluckytohavewonthegirlsheart(Youhavewon)Thegirlwasreportedtohavebeenmissingforamonth(Shehasbeen)Iamsorrytohavelostyourkey把你的钥匙弄丢了,我很抱歉。Shewasreportedtohavedied据报道她已经死了。Hewasimpatientto
6、havefinishedthejob他渴望已经完成了工作。第8页/共82页不定式的完成式2.用在seem,appear,think,consider,believe 等后,不定式的完成式所表示的动作(状态)发生在主要谓语动词或特定的某时间之前,它一般强调事情的完成或结果。e.g.Judgingfromhismannersattheparty,hedoesntseemtohavereceivedmucheducation.Hewasbelievedtohavebeenareporter.第9页/共82页不定式的完成式3.在should/wouldlike或should/wouldhavelike
7、d后用不定式完成式表示没有实现的愿望。Ishouldliketohavegonewithher.(但没有去)Ishouldhavelikedtohaveseenherfacewhenshereadtheletter.(我真想见到她读信时的表情。)第10页/共82页真题1.AIDSissaid_thenumber-onekillerofbothmenandwomenoverthepastfewyearsinthatregion.(2002-46)A.beingB.tobeC.tohavebeenD.havingbeen2.ProfessorJohnsonsaid_somesignificanta
8、dvanceinhisresearchinthepastyear.(1999-43)A.havingmadeB.makingC.tohavemadeD.tomake3.Atthreeoclockthismorning,Iseemed_someonescreaminthestreet.(1990-39)A.hearingB.havingheardC.tohaveheardD.tohearC 第11页/共82页练习1.TheVikingsarebelieved_America.A.tohavediscoveredB.indiscoveringC.todiscoverD.tohavebeendisc
9、overed2.Thestudentswereto_attheauditoriumbefore1:30p.m.,butthelecturewascancelledatthelastminute.A.assembledB.haveassembledC.assemblingD.beassembled3.Hewasto_thenewambassador,buthefellill.A.havingtelephonedB.havetelephonedC.hastelephonedD.telephoningA B B 第12页/共82页be+动词不定式1.表示最近,未来的计划或安排(相当于begoingt
10、o)Youaretoseehimtodayatsixoclock.2.表示该做或不该做的事(相当于should/must/oughtto/haveto等)。e.g.Youaretoexplainthis.3.表示能不能发生的事(相当于can/may等)e.g.SimilarconditionsaretobefoundinallotherLatinAmericancountries.4.表示不可避免将要发生的事。e.g.Theysaidgoodbye,littleknowingthattheywerenevertomeetagain.5.用于条件从句,表示如果想,设想(相当于ifshould,或
11、ifwant)。e.g.Ifwearetobethereintime,wellhavetohurryup.第13页/共82页真题I_writingthepaperasscheduled,butmymothersillnessinterfered.Ihopeyouwillexcuseme.(1993-54)A.amtohavefinishedB.wastohavefinishedC.wastofinishD.oughttofinishB第14页/共82页动词疑问句+带to的不定式用于此结构的常见动词:adviseconsiderdecidediscussexplainfindoutforgeth
12、earinquireknowlearnregardrememberseesettleshowteachtellthinkunderstandwondere.g.Pleaseshowmehowtodothat.(做宾语)e.g.Whentoholdthemeetinghasnotyetbeendecided.(做主语)e.g.Theproblemishowtogetthereintime.(做表语)e.g.Ihadnoideawhichtoreadfirst.(做名词同位语)第15页/共82页真题TheClarkshaventdecidedyetwhichhotel_.(1998-49)A.to
13、stayB.istostayC.tostayatD.isforstayingC第16页/共82页不定式的特殊句型1.suchasto,suchasto,soasto表程度e.g.Hisstorywassuchastodeceiveeveryone.e.g.Itwassuchanaccidentastoclaim20lives.e.g.Whocouldbesomeanastodoathinglikethat?2.soas(not)to,onlyto,inorderto,so(such)asto(如此以便)表目的Wehavegotsoplentyoffoodastotreatourguests.e
14、.g.Hekeptquietabouttheaccidentsoasnottolosehisjob.e.g.Icomehereonlytosaygoodbyetoyou.第17页/共82页真题Hisremarkswere_annoyeverybodyatthemeeting.(2005-53)A.soastoB.suchastoC.suchtoD.asmuchastoHisstrongsenseofhumourwas_makeeveryoneintheroomburstoutlaughing.(1998-50)A.soastoB.suchastoC.sothatD.suchthatB B第18
15、页/共82页不定式的特殊句型3.tooto结构:1)太以至于2)当too前面有only,all,but时,意思是“非常”,too等于very。e.g.Hewasbuttooeagertogethome.3)当too前或to前有否定词构成双重否定时,too等于very。e.g.Heistoowisenottoseethat.4)当too后是glad,pleased,happy,delighted,satisfied,ready,willing,kind,apt,good,true,east,near,careful,well,early,delicious,eager,anxious 等形容词或
16、副词时,too等于very。e.g.Theyaretooreadytohelpothers.5)too与cannot连用,表示无止境。e.g.Youcannotbetoocareful.越仔细越好。无论怎么仔细也不过分6)当不定式在句中做定语或真正的主语时,表示so(many/much)。e.g.Therearetoomanyproblemstobesolved.第19页/共82页不定式的特殊句型4)onlyto+动词原形(不料竟会,没想到会)表示不好的结果。e.g.Theyhurriedtothestation,onlytofindthetrainhadleft.第20页/共82页真题The
17、threementriedmanytimestosneakacrosstheborderintotheneighboringcountry,_bythepoliceeachtime.(1999-42)A.hadbeencapturedB.beingalwayscapturedC.onlytobecapturedD.unfortunatelycapturedc第21页/共82页动词不定式的复合结构1.强调不定式的行为属性,可用“Itis+形容词forsomebody+不定式”句型。静态形容词多用于此句型。Easydifficulthardimportantpossibleimpossiblebe
18、tternecessarycomfortablenotenoughessentialthefirstthenextthelastthebesttoomuchtoolittlee.g.ItwasverydifficultformetolearnSpanish.间或也可用“for+theretobe”表示(而且there后面的不定式只能是tobe)e.g.Itsagreatpityfortheretobemuchtroubleinthecompany.e.g.Wouldyouliketheretobeameetingtodiscusstheproblem?第22页/共82页动词不定式的复合结构2.
19、强调任务的性格和特征,则用“Itis+形容词ofsomebody+不定式”句型。动态形容词多用于此句型。Kindnicestupidrudecleverthoughtfulbraveconsideratesillyselfishcarelessimpolitegoodnaughtyboldhonestsensiblewrongrightbad第23页/共82页真题Theopeningceremonyisagreatoccasion.Itisessential_forthat.(2003-47)A.forustobepreparedB.thatwearepreparedC.ofustobepre
20、paredD.ourbeingpreparedA第24页/共82页省略to的动词不定式第25页/共82页e.g.Idrathernothaveeggsandbaconforbreakfast.Idsoonerstayathome.Iwouldassoondoitbymyself.Sinceitsafinedaywemightaswellwalk.Hewouldratherlistentoothersthantalkhimself.Iwouldjustassoonstayasgo.A 在情态成语之后在would rather,would sooner,would(just)as soon(宁愿)
21、,may/might(just)as well(不妨,可以),cannot but/cannot help but(不能不,不由得不)之后,接不带to不定式。Note:在否定句中,not放在would rather,had better后,但在否定疑问句中,not放在had,would 后。I would rather not drink anything.Hadnt you better make haste?Had I not better do it tomorrow?第26页/共82页真题Thatmanhasabadreputation.You_anythingtodowithhim.
22、(1991-10)A.hadbetternothaveB.havebetterhaveC.havebetternothaveD.hadbetternottohaveA第27页/共82页Theydidnothingexceptwork.Theresnochoicebuttowait.Whathewilldoistospoilthewholething.Allyoudonowistocompletetheform.TheonlythingIcandonowistogoonbymyself.Thethingtodonowistoclearupthismess.B.在介词except/but 之后如果
23、except/but之前有动词do的某种形式,其后通常用不带to的不定式,否则带to。如果主语是由all,what等词引导的从句,或者是主语受only,first,one,least或形容词最高级修饰,主语部分有实义动词do的某种形式,则作主语补语的不定式也是既可带to,也可不带to。第28页/共82页Whyarguewithhim?WhynotgiveMarysomeflowers?C.在“why./why not.?”之后Why表示不满,或者是委婉的批评;why not表示建议,二者都不带to _ him tomorrow?(2001-43)A.Why not to call on B.W
24、hy dont call on C.Why not calling on D.Why not call onD第29页/共82页必须带to的特殊情况1.knowbetterthan后的不定式必须加toe.g.Heknowsbetterthantolendherthemoney.他很明智,不会把钱借给她。Heknewbetterthantoarguewithsucharascal.第30页/共82页必须带to的特殊情况2.“比较级+名词+than”后的不定式要加toe.g.Shehadmoresensethantobedeceivedbyhim.她有理智,不会上当。Hehasabetterhea
25、rtthantobetrayhiscountry.他有良心,不会叛国。第31页/共82页动名词第32页/共82页动名词时态和语态意义主动语态被动语态一般式doingbeing done完成式having donehaving been done第33页/共82页动名词的时态动名词和不定式一样,没有独立的绝对的时态意义,其时态意义从属于句中谓语动词的时态。一般式:表明动名词动作与谓语动作同时发生或在其后发生,或表示一般情况。使用doing.Seeing is believing.眼见为实。完成式:表明动名词动作在谓语动作前发生,使用having done.He was praised for h
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