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1、高考英语《语法》专题复习系列课件01《状语从句》定义：在复合句中由从句表示的状语称作状语从句，它可以用来修饰谓语（包括非谓语动词）、定语或状语，或是整个句子。准确掌握每一个连词的含义是掌握状语从句的关键。同时要注意主从句的时态呼应。状语从句一般分为九大类状语从句类别:时间状语从句地点状语从句原因状语从句目的状语从句结果状语从句条件状语从句方式状语从句比较状语从句让步状语从句1.时间状语从句：引导时间状语从句的连词有：when,while,as,themoment,before,after,till,until,since,assoonas等。
2、请注意when,while,as的区别When---当……时候,通常指某一特定的时间点，主句与从句的动作同时发生。WhenIopenedthewindow,Isawhimcomeup.WhenIhavetime,Iwillgotoseeyou.WhenIcamehome,Imetanoldschoolmateofmine.Hesaidhewouldtellheraboutitwhenhesawher.*注意：在时间状语从句中，主从句都是将来的动作或状态时，习惯上主句用将来时，从句用一般现在时。When---正在……的时候，突然…。通常主句是进
3、行时或beaboutto时，在翻译的时候，when可以译成没想到或突然。Iwaswalkingalongthestreet,whenImethim.Iwasabouttofallasleepwhenmysistercamein.Oneevening,littleHanswassittingnearthefirewhenheheardaloudknockatthedoor.When当从句是进行时，主句是一般时，往往表示不满。SomeoneknockedatthedoorwhenIwashavingbreakfast.WhenIwasleavin
4、gthehouse,thepostmanarrived.Whenthechildrenhadgonetobed,shebegantoprepareherlessons.When=afterWhile---在……期间，往往指一段时间。WhilewewereinAmerica,wesawhimtwice.Whileweweretalking,hecamein.Strikewhiletheironishot.While---表示一种不满情绪，意思是这边在干某种重要的事，而另一边在享受等。Wearecleaningtheclassroomwhilet
5、heyareplayingthefootball.Thesoldierfacesthepowderwhilethebeautypowdertheface.WhileIamwashingthefloor,youcanbecleaningthewindows.As---一边……一边,随着Shewasdoingherhomeworkasshewaslisteningtothemusic.Asshegrewolder,shebecamemorebeautiful.As---当……时，指一个动作紧接着一个动作发生，从句通常用进行时。AsIwasgoin
6、gout,itbegantorain.IsawMaryasshewasgoingonthebus.Ashewaseatinghisbreakfast,heheardsomeoneknockatthedoor.SomeonepattedmeontheshoulderasIwasstandingbeforetheshopwindow.Themoment---一……就……=assoonas,immediately,---DidyouremembertogiveMarythemoneyyouowedher?---Yes,Igaveherthemome
7、ntIsawher.Not…until---直到……才Hedidn’tleavetheofficeuntilhefinishedthework.=Helefttheofficewhenhefinishedthework.Not…until可以和when互换Before---在……之前Thepassengersshouldarriveattheairportanhourbeforetheflightdeparts.Didyouworkasastewardessbeforeyoucometothiscompany?Itwasnotlongbefo
8、reIforgotitall.(Itwas/willbe…before…是常用句型)HeranoffbeforeIcouldstophim.After---在……之
