主语从句和表语从句.doc

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1、主语从句和表语从句知识点1.名词性从句引导词的选择选择原则“缺什么，补什么，什么不缺，用that”“什么不缺，用that”的意思是：如果从句中不缺任何成分，而且句意完整时，就用that来引导主语从句或表语从句以及其他的名词性从句。2.whether意为“是否”，引导的主语从句放在句首，不能用if代替；但当用it作形式主语时，whether引导的主语从句放在句中或句末，此时可换用if.Itisdoubtfulwhetherthere’llbeanyseatsleft.说不上是否还有座位了。3.that引导主语从句时，只起连接

2、作用，不作任何成分，没有实际意义。在句首时不可省略。What引导主语从句时既要起连接作用，又要在从句中作主语或宾语，在任何情况下都不能省略，它具有具体意义，表示“什么，所……的（事、物、话）”，相当于allthat/everythingthat.Which引导主语从句也作成分，它表示选择的意义，常译为“那个”。如：Thathesurvivedintheearthquakeisamiracle.他在地震中幸免于难，这是个奇迹。4.关系代词what,which,who引导主语、表语从句时含有疑问意义，而whatever,whi

3、chever,whoever在引导名词性从句时，往往比what,which,who更强调，不表示疑问意义。而且whatever=allthat/everythingthat;whichever=anythingthat;whoever=anyonewho.另外，whatever=nomatterwhat时引导状语从句。如：Whateverisworthdoingatallisworthdoingwell.凡是值得做的事情都值得好好地做。I语法填空。使用正确连接词补全下列句子。1.Theylosttheirwayinthef

4、orestand______mademattersworsewas______nightbegantofall.2.______drivesafterdrinkingshouldbepunished.3.Itissaid______Peterwillhaveachancetotravelabroadnextmonth.4.______wefearwhentravelinginsummeristhesuddenchangeofweather.5.______wewillgocampingtomorrowisuptoyou.6

5、.Ireadaboutitinsomebookorother,doesitmatter______itwas?7.______ofyoucomesinwillbegivenaprize.1.______hedidn’tcomeyesterdayisunknown.2.______wewillgotomorrowhasn’tbeendecidedyet.3.______willbeaskedtoaccomplishthetaskisstilldiscussed.II.测试题1.---I’llasktheteacherabou

6、ttheattributiveclause.I’mverypuzzledaboutit.---That’sjust______mostofourclassmateshavedoubt.A.whatB.whyC.whereD.how2.Hisfathergothimajobinabankbutsoonitbecameclear______hewasnotfitforthatkindofwork.A.whyB.whatC.whetherD.that3.Itevenleavesthescientistsinwonder_____

7、_theyshouldcallthenewly-borncreature,whichlookshalf-humanandhalf-animal.A.thatB.whyC.whatD.how4.ThebravenationalspiritsshowedinthefilmTheFlowersofwarare______deeplymovedtheaudience.A.whichB.thatC.whatD.who5.______issurprisingisthattherearesomanyChineserestaurantsi

8、nToronto.A.ItB.ThatC.SuchD.What6.---Areyoustillthinkingaboutyesterday’sparty?---Oh,that’s______.A.whatmakesmefeelexcitedB.whateverIfeelexcitedaboutC.how