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状语从句•分类•引导词•词类辨析•状语从句重点引导词•1、时间状语从句(as/while/when/until/once/since/whenever•2.地点状语从句(where/wherever•3.原因状语从句because/as/since/nowthat/•4.条件状语从句if/unless/aslongas/onconditionthat/providedthat/incase/suppose/supposing•5.目的状语sothat/inorderthat/incase/inorderto/soasto•6.结果状语从句so…that/such…that/sothat•7.方式状语从句as/asif(though)•8.比较状语从句than/as…as/themore…themore•9.让步状语从句although/nomatter+/evenif/whatever/as(尽管)•一、引导时间状语的as/while/when•1.when/while+doing•When/whilereading,hefellasleep.•when+终止性、延续性动词•while+延续性动词•Whentheteachercamein,Iwassleeping.•=While/WhenIwassleeping,theteachercamein.•when(就在这时)•Iwassleeping,whensomeoneknockedatthedoor.•.•While(而)•HelikesmusicwhileIlikesports..•Heisadoctor__while___Iamadriver.•As(一边..一边)•Asshewasmilking,shewassinging.另外引导时间状语的还有eachtime,themoment,nosooner…than,hardly…when•assoonas/until/till(句首或强调句不用)As•二.地点状语从句•Whereveryougo,pleasekeepintouchwithme.•省略形式：Makemarkswherenecessary.•与定语从句有本质区别•Makeamarkwhereyouhaveanydoubts.•Makeamarkattheplacewhereyouhaveanydoubts.•(一个说明动作发生的地点，一个修饰说明theplace)地点状语从句定语从句•三.原因状语从句•for/because/as/since=nowthat•for不放在句首，放在句中，只提供一种判断的依据：•As语气稍弱，位置可前，可后。•Since=nowthat表示双方都知道的原因。•because是直接原因，回答why，可引导表语，也可用于强调句，与becauseof有区别。•有时可被非谓语短语代替：•Beingseriouslyinjured,thelittlepoorboycan’tmoveatall.•五.让步状语从句•Wewillgoforapicnicunlessit____(rain).•Theflowersshouldbewateredifthey_____(想要存活)•注意：(让步与虚拟和宾语从句区别)•IfI____(get)upearly,I______(catch)theschoolbus.•I’venoideaifI______(succeed)intheend.•六、sothat目的状语从句/结果状语从句•Heshoutedsothathecouldmakehimselfselfheard.•Heshoutedsothathemadehimselfheard.•总结：后加情态动词may/can/will表目的•soasto/inorderto•________getthereintime,hegotupearly.•=Hegotupearly______getthereintime.•总结soasto只用于_____。•七.方式状语和比较状语从句•IwilldoasIamaskedto.•Itlooksasifanearthquake____(happen).•Thepoliecmanlookedhereandthere,asif(hewas)insearchofsomething.•总结：方式状语从句可以用__or_____.•比较状语从句•ThestreetsinBeijingareascrowdedasthoseinShanghai.•Ilookmucholderthanhim(heis).•八、让步状语从句although,though,as•_____heisachild,heknowsalot.•=_______heis,heknowsalot.ThoughIloveyoumuch,Idon’tmarryyou.•________Iloveyou,Ican’tmarryyou.•Hepromisedtocome,hedidn’t,_____.•总结：although放在句首，倒装时可用as后面不跟but.•Though放在句首，也可用作副词放在句末，译为“然而”。Although/ThoughChildasSince/Nowthat•九.nomatter+疑问词与/疑问词+ever(who,what,where,how)•_____breakstherulesshouldbepunished.•_____breakstherules,heshouldbepunished.•_____hesaysisnotthetruth.•______hesays,youmustn’ttrusthim.•whoever/whatever既可用于____又可用于_____。/Nomatterwho/nomatterwhat只引导______.WhoeverNomatterwhat•、since/before•Itis+sometime+since+did(点时间)•did如果是延续性，则表该动作终止以来多长时间了。•Wehaven’tseeneachothersinceIworkedinthefactory.(自从我不在工厂上班以来………)•before用法：1、Itwas+sometime+before+did•两个小时以后药才起作用。•2、没来得及•我没来得及接电话，他就挂了。•Itwas2hoursbeforethemedicinetookeffect.HehungbeforeIcouldanswerthephone.•3、在以前：•来之前一定给我来电话。•4、趁着•趁着还不太晚，你最好去把眼睛检查一下。•5、Longbefore•不久我们又会见面了。Docallmebeforeyoucome.You’dbetterhaveyoureyesexaminedbeforeitwastoolate.Itwon’tbelongbeforewemeetagain.•十、as/like区别•1、介词意思是作为，like是象•Heislikehisfather.•AsaseasideSs,youcanfindsomesupportthattheuniversityyouareinterestedtoofferyou.•As意思是象、按照时，是个连词。•YoushoulddoasItoldyouto.•As用法小结：可以引导：____、__、___、___、_____、____、•As总结：能引导定语从句、时间状语从句、原因状语从句、让步状语从句、方式状语从句•十一.定语从句/名词性从句/状语从句•I’llputthebookwhereyoulayit.•WhereIputthebookhasn’tbeendecided.•TheplacewhereI’llputthebookiswhereyoulayit.•Thefactthattheywillacceptmeisreal.•Thefactthatcanprovehisinocenceliesinyourtellingusthetruth.•Thefactisthathegaveituptooearly.•Hesaidthathewasonthewaytosuccess.主定定、表同表宾状•改错：•Becauseheisill,sohecan’tcome.•Thoughheisold,buthehaveagoodmemory.•Ifyouthinkhard,andyouwillhaveanidea.•Hehasfoursons,threeofthemarethieves.•Havingfinishedwork,sohewenthome.•Heisverytiredthathecannotwalkonanymore.•***Though不与but连用，但可与yet,still连用，because不与so连用。•十一、状语从句注意问题：•1、从句用一般时代替将来时。•2、从句中的主语+be•(如果主从句主语一致，从句谓语动词为be,就可省略从句中的“主语+be”部分；或有时主语是it，也把it+is部分省去。•Unlessinvited,Iwon’tattendtheirwedding.•If(itis)necessary,I’llexplainittoyou.•3、because与so不同用。though与but不同用,但可与____和______连用。