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1、时间状语从句PPT课件条件状语原因状语目的状语地点状语比较状语结果状语时间状语让步状语方式状语Adverbialclausesoftime引导时间状语从句的引导词When,while,as,before,after,since,till,until,nosooner….than,hardly….whenthemoment,assoonas,everytime,eachtime,thefirsttimeWhen①多数跟短暂性动词，有时也跟延续性动词，主句动词和从句动词几乎是同时发生。当….的时候Eg:whenIopenedthewindow，Isawhimcomeup.W
2、hentheteachercamein,thelightwentout.②正在或正要做某事的时候，突然发生另外一个动作….句式:bedoing或beabouttodowhen+didEg:IwaswalkingalongthestreetwhenImethim.Iwasabouttofallasleepwhenmysistercamein.翻译：我正要出门，天下起雨来了。Iwasabouttogooutwhenitbegantorain.Theywerewalkingdownthestreet_____theysawanaccident.2)Iwasabouttogoo
3、ut____mymothercalledme.3)A:Doyouknowwhenhe______(come)?B:Whenhe_______(come),Iwilltellyou.改错：WhenIcamein,heissleepinginside.(12年高考)While只能跟延续性动词，不可跟短暂性动词。①在…..期间(从句用过去进行，主句用一般过去式)Eg:Whileweweretalking,hecamein.爷爷在看电视期间，睡着了。GrandpafellasleepwhilehewaswatchingTV.②对比，然而Chinaisadevelopingcou
4、ntrywhileAmericaisadevelopedone.③两个动作同时进行，主从都用进行时。MyfatherwaswatchingTVwhilemymotherwascooking.As一边……一边……（主语为一个人）,随着……Shewasdoingherhomeworkasshewaslisteningtothemusic.Asshegrewolder,shebecamemorebeautiful.随时间流逝，我们都会变老。Astimegoesby,allofuswillbecomeold.Withtimegoingby,allofuswillbecomeol
5、d.Fillintheblankswith“when,while,as”1______youmeetawordyoudon'tknow,consultthedictionary.2.Thestudentstooknotes_____theylistened.3._____thewindrose,thenoiseincreased.4.Shecalled_______Iwasout.5.Wemuststrike______theironishot.6.________youhavefinishedyourwork,youmayhavearest.7.Iwasjustrea
6、dingabook______shecameintomyroom.whenasAswhilewhileWhenwhenBefore①还未来的及做某事，就……HelefttheroombeforeIcouldstophim.②Itwillbelongbefore……(要过很久才….)Itwillbelongbeforewegraduatefromshool.③Itwon’tbelongbefore…….(过不了多久就…..)Itwon’tbelongbeforewetakeanotherexam.1、A:Whydidn’tyoutellhimaboutthemeeting
7、?B:Herushedoutoftheroom_____Icouldsayaword.AbeforeBuntilCwhenDafter2、Ithinkyoushouldendit____itistoolate,oryouwillbesorryforit.AbeforeBsothatCbecauseDafter3、Itwasn’tlong_____therainstoppedandthemooncameoutagain.AwhenBuntilCbeforeDsince4、Theteacherhadleft____Ihadtimetoaskh
