时间状语从句.ppt

Grammar高一外研版必修二Module5NewspapersandMagazinesAdverbialclauseoftimeReadthesentenceandanswerthequestionsA:Whilehewastravelinginspace,YangspoketotwoastronautaboardtheInternationalSpaceStation.B:Whenhewasorbitinginthecapsule,hetookphotographsofplanetearth.1Therearetwoverbsineachsentence.Whyarethetensesdifferent?Thepastcontinuousverbwascontinuingallthetime,andwasinterruptedbyactionsofshortdurationwhichareinthepastsimple.2.Isoneactionlongerthantheother?Yes,thefirstactionineachsentenceislongerthanthesecondone.3.Didoneactiontakeplaceaftertheother?No.theytookplaceatthesametime,althoughthesecondactionstartedafterthefirstone.4.Didoneactiontakeplaceatthesametimeastheother?Yes,itdid.状语从句状语从句在句中起状语的作用，修饰主句的谓语动词，形容词，副词或整个句子。状语从句可按用途分为时间状语从句，地点状语从句，原因状语从句，条件状语，目的状语从句，结果状语从句，让步状语从句，比较状语从句和方式状语从句。**Completethesentenceswiththecorrecttensefortheverbsinbrackets.1.WhenyangwenttoBeijing,he_______(meet)thepremier.2.WhenhewenttoHongkong,he_______(sing)withJackieChen.metsangWhentheyopenedthecapsuledoor,Yang___________(getout).4.Whilehe______________(orbit)theearth,hespoketotheSpaceStationastronauts.gotoutwasorbitingafter,as,aslongas,before,once,since,when,while,till,hardly···when···,themoment时间状语从句连词状语从句㈠常用的引导时间状语从句的连词Whenwhen可表示“当……的时候，一……就（=assoonas或themoment),在……之后（=after）”，既可表示时间段，又可表示时间点；当when用于表示时间段时可与while通用。当我正在厨房里忙的时候，有人敲门。When/WhileIwasbusyinthekitchen,someoneknockedatthedoor.当我醒来时，妈妈正在准备早餐。WhenIwokeup,momwaspreparingbreakfast.2.whilewhile意为“正当……的时候，在……期间”，用于表示时间段或过程，强调主句与从句的行为或状态同时发生或存在，while所引导的时间状语从句中谓语必须用延续性动词。e.g:在纽约时，我见过他两次。WhileIwasinNewYork,Imethimtwice.当我们的头潜入水下时，我们仍能听到声音。Wecanstillhearsoundswhileourheadsareunderwater.在操作机床的过程中，我们十分小心。