语法第二讲名词性从句

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1、语法第二讲名词性从句(二)主语从句和同位语从句【学习要点】1.什么是主语从句和同位语从句E.g.Thefactsurprisedusall.Thathefinishedwritingthecompositioninsuchashorttimesurprisedusall.WeChinesepeoplearebraveandhardworking.Mr.Smith,ournewteacher,isverykindtous.Hetoldmethenewsthathewouldcomebackfromaboardso

2、on.同位语的概念:由两个或两个以上同一层次的语言单位组成的结构,其中前项与后项所指相同,句法功能也相同,后项是前项的同位语。2.指出下列句子中的主语从句和同位语从句1.Thattheearthmovesaroundthesuniswellknown.2.Whowillbesenttherehasnotbeendecided.3.Whetherhewillcomeornotisnotknownyet.4.Whosewatchwaslostisunknown.5.Whythereisgravityishardto

3、understand.6.HowhecanearnalivinginBritainremainsabigproblem.7.Thenewsthatwewonthegameisexciting.　8.Ihavenoideawhenhewillcomebackhome.9.WordcametohimthatMaryhadprobablyfallenill.10.Theyareinvestigatingthequestionwhetherthemanistrustworthy.3.学习主语从句应注意的问题：1.主语从

4、句的时态不受主句的影响和限制。2.主语从句大多数情况下视为单三。4.it做形式主语，真正的主语从句在句末的结构:1.Itiscertainthathewillwinthematch.2.Itistruethathehasmadeaveryimportantdiscoveryinchemistry.3.Itisapitythatwewon'tbeabletogotothesouthtospendoursummervacation.4.Itisstillamysterywhatcausedtheaccident.5

5、.Itwasreportedthatmanycitizenswerekilledintheexplosion.6.ItissaidthathehasgonetoAmerica.7.Itseemsthathehasnoproblems.8.IthappenedthatheboughtthesameTVsetashisfather-in-lawdid.5.学习主语从句应注意的问题：1.表达“是否”引导同位语从句，用whether,不用if2.引导词that在同位语从句不做句子成分，不可省略。3.what/which

6、/who/when/where等词在同位语从句中做相应的成分。6.同位语从句与定语从句的区别:1.先行词的区别:Wordcamethathehadbeenabroad.Ourteamhaswonthegame,whichmadeusveryhappy.2.看引导词是否做成分:Thenewsthatourteamhaswonthegameistrue.Thenewsthathetoldmeyesterdaywastrue.3.看引导词和前面的名词是否属于同一个范畴:4Thequestionwhenwewillho

7、ldthesportsmeethasn’tbeendecidedyet.Thedayswhenwewereholdingthesportsmeetwerereallyunforgettable.7.判断下列句中哪些含有同位语从句，哪些含有定语从句。1.Thenewsthatwehadsuccessfullysentupanothercommunicationsatellitespreadthroughouttheworld.2.That’sthebestpieceofnewsthatI’veheard.3.Is

8、thereanyhopethathewillbehomeat7:30?4.Thepossibilitythatyoureferredtodoesn’texistatall.5.Thefactthatwetalkedaboutisveryimportant.【巩固练习】1._____madetheschoolproudwas____morethan90%ofthestudentshadb