新课标人教版课件系列《高中英语》选修(模块）8-2.62.同位语从句theAppositiveclause(1)同位语从句的定义在复合句中用作同位语的从句称为同位语从句。同位语从句是名词性从句的一种。它在句中起同位语的作用。语法精解(二)它一般放在fact,news,idea,truth,hope,problem,information,belief,thought,doubt,promise,question等名词的后面,对前面的名词作进一步的解释,说明前面名词的具体含义。引导同位语从句的词有连词that,连接副词how,when,where,whether等。e.g.Thehopethathemayrecoverisnotgoneyet.Theproblemwhetherweshouldcontinuetodotheexperimenthasbeensolved.Ihavenoideawhenhewillcomeback.同位语从句有时被别的词把它和名词隔开：注意:ThestorygoesthatWilliamTellkilledthekingwithanarrow.Wordcamethattheirteamhadwon.⑵同位语从句的表现形式:①由that引导Thefactthatyouhaven’tenoughtimetodotheworkissimplyunbelievable.Thehopethathemaycomehereisnotgoneyet.ThenewsthathehasbeenelectedpresidentoftheUnitedStatesistrue.Thetruththatheavyobjectsandlightobjectsfallatthesamespeedisknowntoall.Theproblemthatshelaterdevelopedaseriouslungdiseasebotheredscientists.②由whether引导Thequestionwhetherweneedmoretimetodotheworkhasnotbeendiscussed.③由when引导Ihavenoideawhentheywillgo.⑶有时可用namely(即),thatistosay(也就是说),inotherwords(换句话说),thatis(那就是),forexample等引出同位语,说明其前面的名词或代词。有时同位语直接跟在名词或代词的后面。Hetoldusthegoodnews,namely,themuseumisopentoall.ThereisonlyonewayofimprovingyourEnglish,thatis,topracticemore.AltogetherDollyhadlivedforsixyears,halfthelengthofthelifeoftheoriginalsheep.⑷同位语从句与定语从句的区别:同位语从句与定语从句在使用中常常混淆,我们可以从以下几个方面区别它们:①同位语从句说明的名词大都是抽象名词;定语从句所修饰、限定的名词或代词有抽象的也有不抽象的。WeexpressthehopethattheywillcometovisitChinaagain.(同位语从句)Thosewhowanttogopleasesigntheirnameshere.(定语从句)②同位语从句所说明的名词与从句没有逻辑关系,定语从句所限定的名词是从句逻辑上的主语、宾语、表语、定语、状语等。Thenewsthattheywonthematchistrue.(同位语从句,news和从句没有逻辑关系)Thenewsthatyoutoldusyesterdayistrue.(定语从句,news是told的逻辑宾语)Theorderwhenweshouldgobackhasn’treachedus.(同位语从句,order和从句没有逻辑关系)ThedaywhenNewChinawasfoundedwillneverbeforgotten.(定语从句,day是founded的逻辑状语)③同位语从句主要由连接词that引导,有时也可用when,where,who,whether等引导;定语从句由关系代词或关系副词引导。Thenheraisedthequestionwheretheyweretogetthemachineneeded.Doyouknowtheplacewherehewasborn?④引导同位语从句的连词不可省略;引导定语从句的关系代词作宾语时常可省略。Thenewsthathehasbeenelectedmonitorofourclassistrue.Thenews(that)hetoldmeisexciting.⑤同位语从句与先行词一般可变成一个完整句子,谓语动词用be的不同形式。Heheardthenewsthattheirteamhadwon.此句可以变为一个表语从句:Thenewswasthattheirteamhadwon.练习1.TwofifthsofallgirlsinAmericaareonadiet./Thefactworriestheirparentsandteachersalot.ThefactthattwofifthsofallgirlsinAmericaareonadietworriestheirparentsandteachersalot.把下面两个句子连成一个含同位语从句的复合句。2.TheQueenofEnglandwasonafour-dayvisitinChina./Weheardthenewslastnight.WeheardthenewslastnightthattheQueenofEnglandwasonafour-dayvisitinchina.3.Teenagersshouldn’tspendtoomuchtimeonline./ManyChineseparentsholdtheview.ManyChineseparentsholdtheviewthatteenagersshouldn’tspendtoomuchtimeonline.4.Timetravelispossible./Wehavenoscientificprooffortheidea.Wehavenoscientificprooffortheideathattimetravelispossible.5.Students...
