《名词性从句》PPT课件.ppt

语法部分,第十二章名词性从句,掌握主语从句、宾语从句、表语从句的基本用法。,考纲要求,名词性从句,主语从句,宾语从句,表语从句,主语从句在句中做-表语从句在句中做-,主语,表语,1.Thathewillcomeiscertain.,3.ThetruthisthatIhavebeenthere.,主语从句：充当主语的句子叫主语从句。,从属连词基本用法,一、that引导主语从句,1.that引导主语从句，起连接作用，不充当成分。,2.主语从句置于句首时,不能省略连接词。,Thathelikesbooksofthiskindisveryinteresting.,他喜欢这种书，这件事非常有趣。,主语从句,thatwhetherwhowhomwhosewhatwhichwhenwherewhyhow,从句连接词:,1.Thathewillcometothediscussioniscertain.,他来参加讨论是肯定的。,令我惊讶的是在这儿见到他.,3.Whenhewillcomeisunknown.,4.Whetherheiscomingdoesntmattermuch.,他来不来没什么要紧的,他什么时候来不清楚.,他们是怎么登上山顶的仍是个秘密.,5.Itremainsasecrethowtheyclimbedupthemountain.,主语从句的位置1.在句首2.主语较长时通常放在后面,句首主语用It,主语太长了!放到句尾,That无词义,不可省略,What“什么”,“东西”,2.Whatsurprisedmewastoseehimhere.,When“什么时候”,主语从句不用if“是否”,位于句首,Whatyousaidabouthimmakeshimsad.,Thatyoudontlikehimmakeshimsad.,难点1：that与what的区别,Whattheteachersaidhadagoodeffectonthechildren.,Itwastrue(that)Alicedidsurprisedhermother.,1、都起引导作用，放在句首都不可以省略2、that不充当成分；what在从句中充当成分3、that无词义；what表示“的东西/事情/话”,1、_hehasbecomearichmanisknowntoallinourtown.A.BecauseB.ThatC./D.What,有时为避免句子头重脚轻，常用it代替主语从句作形式主语放于句首，而把主语从句置于句末。,Itisapitythatyoudontlikehim.,主语从句的特殊用法,It作主语的常用句型有:,1.Itis+a+名词+从句,2.Itis+形容词+从句,3.It+不及物动词+从句,4.Itis+过去分词+从句,Itisapitythatwecantgoswimming.,Itissaidthathetoldhereverything.,IthappenedthatIwasoutthatday.,Itiscertainthathewilldowellintheexam.,真可惜我们不能去游泳.他考试肯定会考好.碰巧那天我外出了.据说他已告诉了她一切.,他喜欢这种书，这件事非常有趣。,Helikesbooksofthiskind.Itsveryinteresting.=Thathelikesbooksofthiskindisveryinteresting.=Itsveryinteresting(that)helikesbooksofthiskind.,表语从句,从句同主语从句(11个),外加asif/连接词:asthough,1.Thetruthisthathehasneverbeentothecountryside.,2.ThequestioniswhetherwecanfinishtheexperimentbyFriday.,3.Itlooksasifitweregoingtorain.,实际情况是他从未去过农村.that一般不省略,问题在于我们能否在明天下午之前完成这项实验.表语从句不用if,4.Thisschoolisnolongerwhatitwasbefore.,这所学校已不再是从前的那个样子了.what=thethingthat,系动词后面,1.确定连接词(根据从句句式),陈述句,that,一般疑问句,if(whether),特殊疑问句,特殊疑问词,宾语从句中应该注意的一些情况,【例题解析】,()6.(2009年高职考)shewilljoinusinthegame_isnotdecidedyet.A.IfB.WhileC.WhetherD.What,此题旨在考查whether引导的主语从句，意为“是否”。而if意为“是否”时不能引导主语从句，只能引导宾语从句。故选C。,【改错练习】下列各句均有一处错误，请改正并分析错误的原因。1.Lighttravelsfasterthansoundiscommonknowledge.2.Ifshescomingornotdoesntmattermuch.,That,that虽无词义但引导主语从句位于句首时不能省略。,Whether,if,whether都可表示“是否”,但if不能引导位于主句之前的主语从句，它可以引导位于主句之后带有形式主语it的主语从句。,3.Thattheprofessorsaidisofgreatimportance.4.Wherewillthetreesbeplantedhasnotbeendecided.,What,that引导主语从句时无词义。Whattheprofessorsaid表示“教授所说的”。,将will置于trees之后。主语从句要用陈述句语序。,5.Nomatterwhobreakstherulewillbepunished.6.Whenandwherethemeetingwillbeheldstillremainaquestion.,引导让步状语从句时二者可互换，但引导名词性从句时只能用whoever。,Whoever,主语从句表示单一概念时，谓语要用单数形式。,remains,1._youdontlikehimisnoneofmybusiness.2._hesaidatthemeetingastonishedeverybodypresent3._the2000OlympicGameswillbeheldinBeijingisnotknownyet.4._wellgocampingtomorrowdependsontheweather.5._leavestheroomlastoughttoturnoffthelights.,That,What,Whether,Whether,Whoever,6._isafactthatEnglishisbeingacceptedasaninternationallanguage.7.Itworriedherabit_herhairwasturninggrey.8.TheForeignMinistersaid,“_isourhopethatthetwosideswillworktowardspeace.”,It,that,It,下列各句中均有一处错误，请改正。Thattheoldmanssonwantedtoknowwaswherethegoldhadbeenhidden.2.ItisreportedwhenChinahassuccessfullysentShenzhouVIspaceshipintospace.3.Ifhecanfinishhistaskontimeisofgreatimportance.4.Whetherthe2008OlympicGameswillbeheldinBeijingexcitedthewholenation.,IfWhether,ThatWhat,whenthat,WhetherThat,5.AfterYangLiweisucceededincirclingtheearth,whichourastronautsdesireto(希望)doiswalkinspace.6.Whateverleavestheroomlastoughttoturnoffthelights.7.Whytheywillsolvetheseriousproblemtodayhasnotbeendecided.,whichwhat,WhateverWhoever,WhyHow,8.Whenwillwinth