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1、Module4MusicborninAmerica高二第七册Grammar1Adverbialclausesoftime更多资源xiti123.taobao.compartsofthesesentencesindicatethe“time”.ThemomentIgetthemoneyI'llsendtheticket.Iwasjustgettingintothebathwhenthetelephonerang.Hegetsmoreattractiveashegetsolder.WheneverIgotheretheysee
2、mtobeinbed.I'vebeenverybusysinceIcamebackfromholiday.状语从句状语从句在主从复合句中修饰主句中的动词,形容词或副词,按意义可分为时间、地点、原因、目的、结果、条件、方式、比较、让步等状语从句。从句可放在句首,也可放在句末。放在句首时,从句后面常用一个逗号,放在句末时,从句前一般不用逗号。本模块着重讲解时间状语从句。时间状语从句:引导时间状语从句的从属连词有:when,while,as,whenever,before,after,since,till,until,assoo
3、nas,once,themoment,immediately,nosooner…than,hardly…when,bythetime,everytime,lasttime…等。(1)when,as,while(从属连词)when既可引导持续性动作,又可引导短暂性动作。它可以表示主句的动作和从句的动作同时发生,或从句的动作发生在主句动作之前。如:WhenIwasaboy,IusedtogototheseashoreonSundays.(同时)Whenthelessonwasover,webeganourwriting.(从句
4、动作在前)as引导持续性动作,侧重主句和从句的动作同时发生。Hehurriedhome,lookingbehindashewent.Isawyoursisterasshewasgettingonthebusyesterday.Hesangashewalked.while指的是“在某一时间里”,“在……期间”,从句里的动作必须是持续性的,它也强调主句和从句动作的同时发生,往往侧重主句和从句动作的对比。如:WhilehewasinLondon,hestudiedmusic.WhilewewerewatchingTV,hewas
5、writingacomposition.当when,as,while表示“在…一段时间里”,主从句的动作同时发生时,可以换用。如:While(When/As)wewerediscussing,Mr.Smithcamein.*when可表示“如果”。如:Don’tbeafraidofaskingforhelp_____itisneeded.(2003全国)A.UnlessB.sinceC.althoughD.when*while可表示“虽然,尽管”。如:1)____modelingbusinessisbynomeanseas
6、ytogetinto,thegoodmodelwillalwaysbeindemand.(2004浙江)A.WhileB.SinceC.AsD.If*_____Iacceptthatheisnotperfect,Idoactuallyliketheperson.(2004江苏)A.WhileB.SinceC.BeforeD.Unlesswhen和while(并列连词)while表示对照的意思;when表示“这时,突然……”Idoeverysinglebitofhousework____myhusbandBobjustdoe
7、sthedishesnowandthen.(2004广西)A.sinceB.whileC.whenD.as2)Hewasabouttotellmethesecret____someonepattedhimontheshoulder.(2002上海)A.asB.untilC.whileD.when3)Wewereswimminginthelake____suddenlythestormstarted.(2004北京春)A.whenB.whileC.untilD.before4)Jasminewasholidayingwith
8、herfamilyinawildlifepark____shewasbittenonthelegbyalion.(2004上海)A.whenB.whileC.sinceD.before(2)till和until①如果主句谓语动词是持续动词,通常用肯定式的主句,表示“直到……为止”。如:Iworkedti