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状语从句中的省略1.Theresearchissodesignedthatonce_______nothingcanbedonetochangeit.A.beginsB.havingbegunC.beginningD.begun2.Theeighteen-storiedbuilding,when____,willshutoutthesunlightinguptheroomsinmyhouse.A.completedB.tobecompletedC.completingD.havecompleted1.Don’tspeakuntilyouarespokento.2.I’llbuyaTVsetifitisnecessary.3.Shestoodatthegateasifshewaswaitingforsomeone.4.Hewasaswimmerwhenhewasachild.5.Thoughitiscold,heworeashirt.6.WhileIwaswalkingaloneinthestreet,mynamewascalled.什么时候可以省略?怎么省略?spokentonecessarywaitingforsomeoneachild7.WhileIwaswalkingwalkingaloneinthestreet,Iheardmynamecalled.Thoughcold,hewereashirt.Whilewalkingaloneinthestreet,mynamewascalled.walkingalonethestreet,:什么时候可以省略?怎么省略?在含有状语从句的复合句中若从句的主句是it或与主句的主语相同，且在谓语中含有be时，常省略从句的主语和be。1._____________________(在北京的时候),IpaidavisittotheSummerPalace.2.______________________(当是个年轻人的时候),AbrahamLincolnwasastorekeeperandapostmaster.3.Hehasnomoney.______(要是有的话),hewillgiveus.4._____________(除非修理),themachineisofnouse.5._______________________(要是给更多的关注),Theboycouldhaveturnedoutbetter.6.Agirlstoodatthegateoftheschoolasif______________________________(跟老师讲话).When/WhileinBeijingWhen/AsayoungmanIfanyUnlessrepairedIfgivenmoreattentiontotalkingwithateacher一、在含有状语从句的复合句中1.when，while，as,once，whenever引导的时间状语从句；2.if，unless引导的条件状语从句；3.though，although，evenif，eventhough引导的让步状语从句；4.asthough，asif，as引导的方式状语从句；5.wherever引导的地点状语从句若从句的主句是it或与主句的主语相同，且在谓语中含有be时，常省略从句的主语和be。再强调：省略在Asif引导的方式状语从句中应用的较多.1.Tomraisedhishandasif(hewasgoing)tosaysomething.2.Heactedasif(hewas)afool.3.Shelefttheroomhurriedlyasif(shewas)angry.4.Hestaredatthegirlasif(hewas)seeingherforthefirsttime.5.Theplayerisrollingonthegroundasif(hewas)hurtbadly.6.Heopenedthedrawerasif(hewas)insearchofsomethingimportant.:asif用于省略句中,如果asif引导的从句是“主语＋系动词”结构，可省略主语和系动词，这样asif后就只剩下不定式、名词、形容词（短语）、介词短语或分词。高考链接：1.Whenfirst________tothemarket,theseproductsenjoyedgreatsuccess.(NMET2004全国卷II)A.introducingB.introducedC.introduceD.beingintroduced2.Itshamesmetosayit,butItoldaliewhen________atthemeetingbymyboss.(NMET2004全国卷IV)A.questioningB.havingquestionedC.questionedD.tobequestioned1.---Youshouldhavethankedherbeforeyouleft.---Imeant________,butwhenIwasleavingIcouldn'tfindheranywhere.A.todoB.toC.doingD.doingit2.Theboywantedtoridehisbicycleinthestreet,buthismothertoldhim________.A.nottoB.nottodoC.notdoitD.donotto3.---I'llbeawayonabusinesstrip.Wouldyoumindlookingaftermycat?---Notatall.________.A.I'venotimeB.I'drathernotC.I'dlikeitD.I'dbehappytoBAD链接其他省略动词不定式的省略:在同一句或联系紧密的对话里，常把不定式to后内容相同的部分省略，只保留to。1.-----Areyouasailor?-----No,butI_______A.amnotB.usedtoC.usedtobeD.usedtobeing2.-----Whydidn’tyoutakepartinmybirthdaypartyyesterday?-----I_________,butIhadanunexpectedguest.A.wouldliketoB.wouldliketohaveC.shouldD.wouldn’tliketo如果不定式中含有be,have,havebeen通常保留be,have和havebeen1.---Doyouthinkit'sgoingtorainovertheweekend?---________.A.Idon'tbelieveB.Idon'tbelieveitC.IbelievenotsoD.Ibelievenot2.----Theboysarenotdoingagoodjobatall,arethey?-----______________.(‘03北京春招)A.IguessnotsoB.Ididn’tguessC.Idon’tguesssoD.Iguessnot:在I’mafraid,Ithink,Ibelieve,Ihope,Iguess等开头的作答句中，后面跟so与not分别用于肯定或否定宾语是，宾语从句可省去。:主、谓、宾等成分的省略在英语情景会话中，答语常常省略不会引起歧义的主语、谓语或宾语部分，而只保留对方希望了解的内容。在复合句或并列句中，也有省略主、谓、宾的情况。1.---WhatdoyouthinkmadeMarysoupset?---________hernewbicycle.A.AsshelostB.LostC.LosingD.Becauseoflosing2.Oneofthesidesoftheboardshouldbepaintedyellow,and________.A.theotheriswhiteB.anotherwhiteC.theotherwhiteD.anotheriswhite3.---Wouldyoulikesomewine?---Yes,just________.A.littleB.verylittleC.alittleD.afewCCC3.Themanwefollowedsuddenlystoppedandlookedasif________whetherhewasgoingintherightdirection.(NMET2003安徽春)A.seeingB.havingseenC.tohaveseenD.tosee4.Generallyspeaking,________accordingtothedirections,thedrughasnosideeffect.(NMET2003上海卷)A.whentakingB.whentakenC.whentotakeD.whentobetaken5.Unless________tospeak,youshouldremainsilentattheconference.(NMET2003上海春)A.invitedB.invitingC.beinginvitedD.havinginvited6.When________,themuseumwillbeopentothepublicnextyear.(NMET2002上海春)A.completedB.completingC.beingcompletedD.tobecompleted7.Though________money,hisparentsmanagedtosendhimtouniversity.(NMET2002上海卷)A.lackedB.lackingofC.lackingD.lackedin8._____toldtostop,theexcitedchildrenkeptontalkinginclass,soIgotangry.A.asB.whenC.whileD.though