时间状语从句课件

TheImportanceofAdverbialClauses状语从句是对口高考的必考考点。《中等职业学校对口升学考试大纲》要求学生掌握全部的状语从句。第一页第二页，共19页。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第二页第三页，共19页。Adverbialclausesoftime第三页第四页，共19页。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,thefirsttime

第四页第五页，共19页。When①

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.Whentheteachercamein,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.第五页第六页，共19页。Theywerewalkingdownthestreet_____theysawanaccident.

2)Iwasabouttogoout____mymothercalledme.3)

A:Doyouknowwhenhe______(come)?B:Whenhe_______(come),Iwilltellyou.

改错：WhenIcamein,heissleepinginside.(12年高考)第六页第七页，共19页。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ChinaisadevelopingcountrywhileAmericaisadevelopedone.③两个动作同时进行，主从都用进行时。MyfatherwaswatchingTVwhilemymotherwascooking.第七页第八页，共19页。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,allofuswillbecomeold.第八页第九页，共19页。Fillintheblankswith“when,while,as”1______youmeetawordyoudon'tknow,consultthedictionary.2.Thestudentstooknotes_____theylistened.3._____thewindrose,thenoiseincreased.4.Shecalled_______Iwasout.5.Wemuststrike______theironishot.6.________youhavefinishedyourwork,youmayhavearest.7.Iwasjustreadingabook______shecameintomyroom.whenasAswhilewhileWhenwhen第九页第十页，共19页。

Before①还未来的及做某事，就……HelefttheroombeforeIcouldstophim.

②

Itwillbelongbefore……(要过很久才….)Itwillbelongbeforewegraduatefromshool.

③Itwon’tbelongbefore…….(过不了多久就…..)Itwon’tbelongbeforewetakeanotherexam.第十页第十一页，共19页。1、A:Whydidn’tyoutellhimaboutthemeeting?B:Herushedoutoftheroom_____Icouldsayaword.AbeforeBuntilCwhenDafter2、Ithinkyoushouldendit____itistoolate,oryouwillbesorryforit.AbeforeBsothatCbecauseDafter3、Itwasn’tlong_____therainstoppedandthemooncameoutagain.AwhenBuntilCbeforeDsince4、Theteacherhadleft____Ihadtimetoaskhimthisquestion.(12年高考)AafterBuntilCsinceDbefore第十一页第十二页，共19页。Since用法常用句型：Ithasbeen(is)+时间段+since从句+did/时间点/时间段+ago“自从……有多长时间了”毕业已经有六年时间了。Ithasbeen(is)sixyearssinceshegraduatedfromtheuniversity.

改错：HemovedtoParisin1999.

Helivedthereeversince.HemovedtoParisin1999.Hehaslivedthereeversince.第十二页第十三页，共19页。tilluntil的用法一般可互换，但强调句中多用until.句型:not+短暂性动词+until/till

延续性动词+until/till+从句/时间点比较以下两个句子：Ididn’tworkuntilhecameback.Iworkeduntilhecameback.Eg:Iwill_____foryouuntilyoucomeback.AwaitBnotwait第十三页第十四页，共19页。

hardly/scarcely…when,nosooner…than

表示“刚一……就”注意：在这个固定用法中，考点有三个：

1、时态（主句用过去完成，从句用一般过去式）2、固定搭配3、倒装问题Wehadhardlyfinishedourworkwhenitbegantorain.我们刚完成工作，就下雨了Nosooner

shehadgottoschoolwhenshestartedcomplaining.Nosooner____itthansheknewshehadmadeamistake.（14年高考题）AshehadsaidBshehasChasshesaidDhadshesaid第十四页第十五页，共19页。

eachtime,everytime,bythetime…

thefirsttime=when…..forthefirsttime,

Eachtimehecametomycity,hewouldcallonme.ThefirsttimeIcametoShanghai,Iloveditverymuch.Bythetimethedoctorarrived,themanhadcome

to.Thisisthefirsttime____I’vecometoBeijing.themoment,theminute,assoonas一……就Iwillgivehimthepr