名词性从句易混淆知识点讲解

NounClause2014.4名词性从句易混淆知识点讲解贺州高级中学谢素清Canyoufindoutfivedifferencesbetweenthesetwopicturesbelow?Canyoufindoutthedifferencesinthefollowingsentences?Idon’tknowwhethershelikesEnglish.IhavenoideawhethershelikesEnglish.ItisunknownwhethershelikesEnglish.ThequestioniswhethershelikesEnglish.宾语从句同位语从句表语从句主语从句名词性从句易混淆知识点讲解易混点一：whether与if的用法Idon’tknowwhethershelikesEnglish.IhavenoideawhethershelikesEnglish.ItisunknownwhethershelikesEnglish.ThequestioniswhethershelikesEnglish.ifififif只能用whether,不能用if的情况•引导主语从句（位于句首）、表语从句、同位语从句时•whether与ornot或or连用时•在介词后引导宾语从句或与带to的动词不定式结合而构成不定式的复合结构时*易混点二同位语从句与定语从句的区别*111)ThenewsthathetoldmeisthatTomwouldgoabroadnextyear.2)ThenewsthatTomwouldgoabroadistoldbyhim.（他告诉我的消息是汤姆明年将出国。）（汤姆将出国的消息是他讲的）定语从句同位语从句同位语从句定语从句that名词性形容词性只连接主句和从句,在从句中不充当成分代替先行词,在从句中充当成分同位语从句同位语从句常用抽象名词作为先行词:fact/idea/reason/thought/order/doubt/news/hopetruth/belief…连词为that/whether/who/whichwhat/when/where/why/how等。定语从句定语从句的先行词可为抽象名词，也可以是具体名词，还可以是一个句子；引导词为that/which/as/who/whosewhen/where/why/how等。1.I’vegotagoodidea_____theyleftearly.2.Thequestion_______weshouldgohasnotbeendecided.1.我了解他们为什么离开得那么早.2.我们还没决定好去哪儿.whywhere1.Thenewsthattherearenolivesonthemoonisknowntousall.()2.Thenewsthatyouheardisnottrue.()3.Haveyouanyideawhohewentwith?()4.Isthereanyhopethattheywillbehomeintime?()5.Theproblemthatyoureferredtodoesn’texistatall.()同位语从句定语从句同位语从句同位语从句定语从句*易混淆点三that在名词性从句中是否可以省略省！不省！！*1.宾语从句中that在口语中常省略，但在下列情况中，that应当保留*1）引导两个或两个以上的宾语从句时，第二个或第二个以上的宾语从句中的that则不易省略2）当it作形式宾语代替that引导的宾语从句时，一般保留that3）主、从句之间有插入语时同样不可省去thatEverybodycouldseewhatwashappeningandthatpoorRosewasreallyfrightened.（并列宾语从句，省去that，则变为并列句。）Ifounditquiteasurprisethateverybodyinthatcityhasacar.Idon’tdoubt，inanycase，thatwewillwinthematch.（无论如何，我都不怀疑我们会赢那场比赛）。*2.引导主语从句的that一般不可省略，但若用it作形式主语，that则可省略--Thattheearthmovesaroundthesunisknowntoall.--Itisknowntoall（that）theearthmovesaroundthesun.*3．引导表语从句、同位语从句that（尤其是说明主语的同位语）一般不省略--Thereasonwhyhestudieswellisthatheisalwayshardworking.--Idon’tagreetothesuggestionthatwegiveuptheplan.*易混点四what,whatever,who,whoever等引导的名词性从句Whatever=anythingthat=nomatterwhatWhoever=anyonewho=nomatterwhoWhenever=anytime=nomatterwhenWherever=anyplace=nomatterwhere无论什么无论谁无论何时无论何地泛指*25what、who、when、where则是特指。Whospokeatthemeetingisunknown.Thepersonthat/whospokeatthemeetingisunknown.Whoeverbreaksthelawwillbepunished.Anyonewhobreaksthelawwillbepunished.*26注意：1.whatever、whoever、whenever、wherever等常引导主语从句、宾语或表语从句，也可引导状语从句，等于“nomatter+疑问词”。2.此类从句不能用it做形式主语来代替。3.nomatter+疑问代词,不能引导名词性从句。**Thanks！谢素清Susie广西贺州高级中学