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1、Revision状语从句北京市第十七中学张慧敏AdverbialClauses时间---when,while,as,after,before,since,until/till,once,assoonas/themoment/immediately一…就…each/everytime,bythetime地点---where,anywhere,everywhere原因---because,since,as,nowthat(既然)条件---if,unless,suppose（假设）,incase（以防）,so(as)lon
2、gas（只要）,onconditionthat（条件是）让步---(al)though,as,evenif,eventhough,nomatter…/~ever目的---sothat,inorderthat,结果---sothat,so…that,such…that方式---as,asif/asthough（好像）比较---than,as…as…/The…,the...时间状语从句常用连词：_____________:when,while,as,_____________:since_____________:bef
3、ore_____________:till,until,not…until_____________:assoonas,immediately,themoment,theminute,directly,instantly,_____________:nosooner…than…,hardly/scarcely…when…_____________:each/everytime,nexttime…直到…当…的时候自从…以来还没…就…一…就…在…之前刚…就…每次…,下次…必须用when的情况Wewereabouttogo
4、outwhentheteachercamein.我们正要出去，突然老师进来了。Weweredoingourhomeworkwhentheteachercamein.我们正在写作业时，突然老师进来了。beabouttodosth.when…bedoingsth.when…1.when,while,as1.当…时Whilehewaswalkinginthestreet,hemetTim.（时间状语从句）=Whilewalkinginthestreet,hemetTim.（现在分词作状语）=Walkinginthestre
5、et,hemetTom.（省略while）2.然而（表对比）Iliketeawhileshelikescoffee.必须用while的情况3.虽然…但是…(表让步)Whilevolleyballishermainfocus,she’salsogreatatbasketball.Asthesunrose,thefogdispersed.Astimesgoes,it’sgettingcolder.经常用as的情况强调主从句动作同时发生有“随着”或“一边…一边”的意思_____________Iwaswalkingdown
6、thestreet,Inoticedapolicecarinfrontofthestore._______Johnarrived,Iwascookinglunch._______hegrewolder,helostinterestineverythingexceptgardening.Iwaswanderingthroughthestreet_________Icaughtsightofatailor’sshop.While/When/AsWhenwhenwhenAsExercise1）“还未…就…;不到…就…;”W
7、ehadsailedfourdaysandfournightsbeforewesawland.我们航行了4天4夜才看到陆地.Wehadn’trunamilebeforehefelttired.我们跑了还不到一英里他就累了.BeforeIcouldgetinaword,hehadmeasuredme.我还没来得及插话他就给我量好了尺寸.2.before,sinceI.before2）从句中谓语不用否定式Beforetheyreachedthestation,thetrainhadgone.他们还没到火车站，火车已开走了
8、。3）Itwillbe+一段时间+before…多久之后才…ItwillbehalfayearbeforeIcomeback.还得呆半年我才能回来.Itwon’tbelongbeforewemeetagain.没多长时间我们就会见面了.2.before,since1）从句的谓语动词一般是非延续性动词,主句的谓语动词是延续性的或者是反复发生过的动
