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1、语法讲解:状语从句1、定义:在复合句中由从句表示的状语称作状语从句,它可以用来修饰谓语(包括非谓语动词)、定语或状语,或是整个句子。、2、分类:时间地点原因目的结果条件方式比较让步3、时间状语从句:when,while,as,themoment,before,after,till,until,since,assoonas等①请注意when,while,as的区别*When---当……时候,主句与从句的动作同时发生,接时间点或时间段Eg:WhenIcamehome,Imetanoldschoolmateofmine.*While---在……期间,只能接时间段Eg:Whi
2、leweweretalking,hecamein.*As---一边……一边,随着,通常用进行时Eg:Shewasdoingherhomeworkasshewaslisteningtothemusic.②themoment:做连词用,一……就,=assoonas,immediatelyEg:IgaveherthemomentIsawher.③Not…until---直到……才可以和when互换Eg:Hedidn’tleavetheofficeuntilhefinishedthework.=Helefttheofficewhenhefinishedthework.④bef
3、ore:Itwas/willbe…before…是常用句型Eg:ItwasnotlongbeforeIforgotitall.⑤Since---自从……,通常主句用现在完成时Itis/hasbeen…since…是常用句型Eg:IhaveneverbeenthereagainsinceIgraduatedfromtheuniversity.⑥Nosoonerthan---一……就……用于句首要求倒装Eg:Nosoonerhadhearrivedthanhewentawayagain.类比:Hardly(Scarcely)…when…⑦Once---一但……就……Eg:
4、Onceyouseehim,youwillneverforgethim.⑧Everytime,eachtime每次做连词用Eg:Eachtimehecametotown,hewouldvisitourschool.4、条件状语从句:If,unless,aslongas,incase,providedthat,onconditionthat①If---如果;②Unless---如果不,除非=ifnot;③Aslongas---只要;④As(so)faras---据……所知;[来源:Zxxk.Com]⑤Incase---假使,如果Eg:Theplanecannottake
5、offincaseitrains.⑥Providedthat如果,有时省略thatEg:Theplanewillbeingoodconditionprovidedthatitistakencareofcarefully.⑦Onconditionthat---条件是…Eg:Hesaidthathewouldcometothemeetingonconditionthatnooneaskedhimtospeak.注:主从句的动作发生在将来时,则主句用将来时,从句用一般现在时。Ifhearrivestomorrow,Iwillbewaitingforhimattheairpo
6、rt.5、地点状语从句Where,wherever①Where---在……地方eg:Wherethereisawill,thereisaway.②Wherever---无论哪里eg:Whereveryouare,Iwillberighttherewaitingforyou.6、原因状语从句because,as,since,nowthat,和consideringthat,seeingthat(语气逐渐减弱)Because---因为,通常从句放在主句后.As---因为,通常放在句首Since---既然因语气较弱,常译为既然Nowthat---既然consideringt
7、hat---顾及到Consideringthattheyarejustbeginners,theyaredoingquiteagoodjob.seeingthat---由于Seeing(that)quiteafewpeoplewereabsent,wedecidedtoputthemeetingoff.7、结果状语从句that,sothat,so…that…such…that①So…that---太……以至于so后面应用形容词或副词,有时省略so只用that②Sothat---因而,以便,为了有时so可以省去③Such…that…---太……以至于用