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1、中考英语复习--状语从句（一）时间状语从句：由when,while,before,after,since,assoonas,till/until引导的从句1）when与whileeg.1)I’lltellherthegoodnews_____hecomesback.2)AuntWangcameinwhilewewerewatchingTV3)since:自从……以来(since从句常用一般过去时)注意主句通常用现在完成时，但当主句表示一种状态，用一般现在时eg.1)HehaslivedtheresincehecametoChina2)Itistwoyearssinc
2、ehermotherdied.（二）条件状语从句：由if(如果)引导的从句eg.Iwillgototheparkifit________(notrain)tomorrow.注意：条件状语从句与以下句型的转换1）祈使句，and(then,or)+简单句=Ifyou…,you…eg.1)Useyourhead,thenyou’llfindaway.=Ifyouuseyourhead,you’llfindaway2)Hurryup,oryou’llbelate.=Ifyoudon’thurry,you’llbelate.2)without与条件句的转化eg.Mancan’
3、tlivewithoutwater.=Mancan’tliveifthereisnowater.注意以上两种状语从句的时态主句时间、条件句1）一般将来时2）祈使句3）情态动词原形一般现在时一般过去时一般过去时但since从句例外，应与现在完成时连用。eg.1)I’llcallyouassoonashe______(come)back.2)Hewon’tgotobeduntilhe_________(finish)hishomework.3)I’llhelpyouifI_____(be)freetomorrow4)I___________(live)heresince
4、IcametoChina.（三）原因状语从句：由because,since,for,as引导的从句eg.Hedidn’tgotoschoolbecausehewasill.注意：1)对because引导的从句提问用why2)因为(because),所以(so)不能连用eg.Becausehewas(A)ill,so(B)hedidn’t(C)gotoschool(D)yesterday.________（四）结果状语从句：由so…that引导的从句（so后接形、副原级）eg.Heran(A)sofaster(B)thatIcouldn’tcatchupwith(C)
5、him.________注意：1)“so…that+否定句”与“too…to”的替换eg.1)Heissoyoungthathecan’tgotoschool.=Heistooyoungtogotoschool(主、从句主语相同)2)Heransofastthatwecouldn’tcatchupwithhim.=Herantoofastforustocatchupwith.(主、从句主语不同)3)TheboxissoheavythatIcan’tcarryit=Theboxistooheavyformetocarry.(注意carry后省去宾语it)2）“so…t
6、hat+从句”与“enoughto”的替换eg.1)He’ssostrongthathecancarrythebox.=He’sstrongenoughtocarrythebox.2)ThequestionissoeasythatIcananswerit=Thequestioniseasyenoughformetoanswer练习()1.Weboughtgrannyapresent,___shedidn’tlikeit.A.butB.andC.when()2.Bequick,___you’llbelateforthefootballmatch.A.soB.andC.
7、or()3.You’vedonebadly,___Icanseeyoudidyourbest.A.orB.butC.so()4.Thatwasourfirstlesson,___shedidn’tknowallournames.A.forB.butC.so()5.Theydidn’tpasstheballoftenenough,___theydidn’tplaytogetherverywell.A.andB.yetC.when()6.Itwasrainingatthattime,___theycouldn’tgooutforwalk.A.becauseB.orC
