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1、状语从句1.时间状语从句2.地点状语从句3.原因状语从句4.条件状语从句5.让步状语从句6.目的状语从句7.结果状语从句8.方式状语从句9.比较状语从句第1页/共32页1)常用连词如下：as,when,while,before,till/until,nottill/until,since,after等。1.时间状语从句e.g.IwontknowwhereheisuntilIgetaletterfromhim.2)一些表示时间的名词词组也可引导时间状语从句。如：themoment,theminute,theday,theyear,nexttime,everytime等。e.g.The momen
2、thecomes,Iwilltellhim.第2页/共32页3)assoonas,immediately,directly,instantly等也可引导状语从句。表示“一就”。4)a.hardlywhenb.scarcelywhenc.nosoonerthan都相当于assoonas，用以引导时间状语从句。注意：当hardly,scarcely及nosooner位于句首时,从句中的主谓要倒装。e.g.Nosoonerhadshegonethanithappened.第3页/共32页一、when可以和延续性动词连用，也可以和短暂性动词连用；而while和as只能和延续性动词连用。Whydoyou
3、wantanewjobwhenyouvegotsuchagoodonealready？二、when从句的谓语动词可以在主句谓语动作之前、之后或同时发生；while和as从句的谓语动作必须是和主句谓语动作同时发生。时间状语从句补：when,while,as的区别第4页/共32页1从句动作在主句动作前发生，只用when。WhenIgottotheairport，theguestshadleft2从句动作和主句动作同时发生，且从句动作为延续性动词时，when，while，as都可使用。WhenWhileAsweweredancing，astrangercamein3当主句、从句动作同时进行，从句动作
4、的时间概念淡化，而主要表示主句动作发生的背景或条件时，只能用as。这时，as常表示“随着”；“一边，一边”之意。Asyearsgoby，Chinaisgettingstrongerandricher第5页/共32页补：Itis+一段时间+since从句从句中为延续性V.，翻译为否定句从句中为短暂性V.，翻译为肯定句Its3yearssinceIlivedhere.Its3yearssincehebegantosmoke.第6页/共32页补：till,until 和 not until1.肯定句：主句谓语V.必须是延续性V.译“直到 为止”He remained there until she
5、arrived.You may stay here until the rain stops.第7页/共32页2.否定句：主句谓语V.必须是非延续性V.“某动作直到某时间才开始”He wont go to bed till/until his mother returns.3.till不可置于句首，而until可以。UntilyoutoldmeIhadnoideaofit.第8页/共32页1.IwassofamiliarwithhimthatIrecognizedhisvoice_Ipickedupthephone.A.whileB.afterC.IncaseD.theminute2.Howl
6、ongdoyouthinkitwilltake_ourproductbecomespopularwiththeconsumers?A.whenB.untilC.beforeD.since第9页/共32页3._ the day went on,the weather got worse.A.With B.since C.As D.While4.He was halfway through his meal _ a familiar voice came to his ears.A.why B.where C.when D.while5.Hardly _ into the village _ it
7、 began to rain.A.we had got;when B.we got;thanC.had we got;when D.did we get;than第10页/共32页2.条件状语从句条件状语从句由从属连词引导：if,unless(除非),as/solongas(只要),oncondition(只要),incase(假使),providing/provided(that)等。e.g.WellcomeovertoseeyouonSaturdayifwehavetime.Weshouldservethepeopleas/so long aswelive.第11页/共32页1.Wewil
8、lbeabletogetthereontime,_ourcardoesntbreakdownontheroad.A.assoonasB.asfarasC.aslongasD.aswellas2.Intimeofseriousaccidents,_weknowsomebasicthingsaboutfirstaid,wecansavelives.A.whetherB.untilC.ifD.unless第12页/共32页3._ you have tried it,you cant imagine how pleasant it is.A.Unless B.BecauseC.Although D.W
9、hen4.The official soon realized that,_,things would get worse.A.unless dealt with properlyB.if not properly dealing with itC.unless properly dealt withD.if dealt not properly with第13页/共32页3.地点状语从句地点状语从句用连接副词where或wherever(在任何地方)引导。e.g.a.Juststaywhereyouare.b.Whereveryougo,Illberightherewaitingforyou
10、.第14页/共32页地点状语从句-Mom,what did your doctor say?-He advised me to live _ the air is fresher.(2006 四川高考)A.in where B.in which C.the place where D.whereD第15页/共32页1.When he reads a book,his habit is to make a mark _ the meaning is unclear to him.A.there B.wherever C.the place D.in which2.If you are trave
11、lling _ the customs are totally different from your own,you may feel a cultural shock.A.in the place B.whichC.in which D.where第16页/共32页4.原因状语从句引导这种从句常用的连接词是：because,since,as,for,nowthat及considering等。e.g.Hedidntcometoschoolbecausehewasill.e.g.Hemightbeill,forhedidntcometoschool.表示“直接”原因。表示“间接的推断”原因.不
12、可出现在句首。第17页/共32页1.Jenny was very sad over the loss of the photos she had shot at Canada,_ this was a memory she especially treasured.A.as B.if C.when D.where2.Some people believe that _ oil is running out,the fate of the motor industry is uncertain.A./B.though C.for D.since第18页/共32页5.方式状语从句描述主句动作进行方
13、式的状语被称为方式状语。通常用下列词语引导：as,asif,asthough,(in)theway等。a.Leavethethingsastheyare.b.Itsoundsas ifitisraining.c.ThewayIlookatit,itsnotwhatyoudothatmattersomuch.依我看，重要的并不是你做什么。第19页/共32页Imtalkingtoyoujusttheway_.我和你说话就象和自己孩子说话一样.Hedidnotdoittheway_.他没有象他朋友那样去做此事.Italktoaboyofmyownhisfrienddid第20页/共32页1.Ifth
14、ingsareleft_theyare,theproblemswillneverbesettled,Imafraid.howB.asC.whatD.where2.Carefulsurveyshavepointedoutthatasmanyas50percentofthepatientsdonottakedrugs_directed.likeB.soC.whichD.as第21页/共32页6.结果状语从句结果状语从句常位于主句之后，由so,sothat,suchthat;sothat等引导。e.g.a.SoquicklydidherunthatIcouldntcatchupwithhim.b.T
15、hebusbrokedownso thatwehadtowalkhome.c.Hegottothestationfinally,onlytofindthetrainhadleft.第22页/共32页7.目的状语从句引导目的状语从句的连词:inorderthat用于正式文体中，所引从句可于主句前或后。sothata.较常用，一般用于主句后,有时可分开，so有时可省;从句中要有情态动词，否则,就成为下一种句型：b.无情态动词则引导结果状语从句。forfearthat;incase;lest(以免)等。e.g.a.Wellsitnearerthefrontsowecanhearbetter.b.Is
16、hallwriteitdownlestIshouldforget.第23页/共32页注意：当从句与主句的主语一致时，可用soastodo或inordertodoe.g.Heranfastso thathemightarrivetherebeforetenoclock.Heranfastso as to arrivetherebeforetenoclock.第24页/共32页1.Roses need special care _ they can live through winter.A.because B.so thatC.even if D.as2.Idarenotgothere_mypa
17、rentswillseeme.incaseofB.forfearofC.inorderthatD.forfearthat第25页/共32页8.比较状语从句比较状语从句常由下列词语引导：asas,notso/asas,morethan,lessthan,themore+adj./adv.themore+adj./adv.a.Heisnotso/ashealthyashisbrother.b.Theyjumpedupanddownashardastheycould.c.JohnislesscleverthanPeter.,第26页/共32页9.让步状语从句通常由下列词语引导：though,alth
18、ough,evenif,eventhough,while,nomatterwho/等。由wh-词+ever构成的连接代词或连接副词也可以引导让步状语从句。第27页/共32页让步状语从句可以位于主句前、后，有时插在主句中间。a.Iwillgo,whatever he may say.b.Theirtent,though(it was)light as a feather,remainedfirm.c.Though/Althoughhewasold,heworkedhard.=Hewasoldbutheworkedhard.注意典型错误:though/although切不可与but连用。第28页/
19、共32页1._ I accept that he is not perfect,I do actually like the person.A.While B.since C.Before D.Unless2.The workers are determined to go through with their railway project,_ the expenses have risen.A.as long as B.even thoughC.now that D.as though第29页/共32页3._,he knows more than other children of his
20、 age.A.However young child he isB.Child as he isC.No matter how young child isD.What a young child he is4.I really want the match,however much _.A.does it cost B.costs itC.will it cost D.it costs第30页/共32页5._ we have finished the course,we shall start doing more revision work.A.For now B.Now thatC.By now D.until6._,the idea off having to work under a woman defeated him.A.Wanting the job very muchB.Although wanting the job badlyC.Though he wanted the job very muchD.He wanted the job badly第31页/共32页感谢您的观看！第32页/共32页