高二英语课件高二英语名词性从句高二英语课件

三大从句•定语从句•状语从句•名词性从句名词•名词做主语•名词做宾语•名词做表语•名词做同位语•Thisbookischeap.•Iboughtabook.•Heisateacher.•Weyoungpeopleshouldrespecttheold.•名词性从句相当于名词，可以分别作句子的主语，表语，宾语和同位语。•名词性从句可以分为：主语从句•表语从句•宾语从句•同位语从句•1.Whenwewillstartisnotclear.•2.MrsBlackwon’tbelievethathersonhasbecomeathief.•3.Myideaisthatweshoulddoitrightnow.•4.Ihadnoideathatyouwereherfriend.主语从句宾语从句表语从句同位语从句I名词性从句的种类II．语序问题1.Thephotographswillshowyou____．（MET89）A.whatdoesourvillagelooklikeB.whatourvillagelookslikeC.howdoesourvillagelooklikeD.howourvillagelookslike2.Heasked____foraviolinA.didIpayhowmuchB.IpaidhowmuchC.howmuchdidIpayD.howmuchIpaid连词后的从句用陈述句的语序(主语在前，谓语在后)连接词•that•陈述句转化而来---无词义，在从句中不担任成分•whether/if•一般疑问句转化而来---有词义，但在从句中不担任成分•wh-词•特殊疑问句转化而来---有词义，在从句中担任成分•ItoldhimthatIwouldcomebacksoon.•Whetherwewillsucceedisstillaquestion.•Whoheishasnothingtodowithyou.注意点•that只有在宾语从句中可以省•if只有在宾语从句中才可以代替whether•为了避免头重脚轻，常用形式主语itⅢ.名词性从句的连接词一、主语从句1.连词that(无词义,不作成分,不能省略);2.whether(是否),不用if.Thathewillcomeandhelpusiscertain.Whetherwewillsucceedisstillaquestion.注意:已确定的事由that引导;没决定的事由whether引导.特殊句式Itworriedherabit____herhairwasturninggrey.（MET92）A．whileB.thatC．ifD．for为了使句子保持平衡，常用______来代替主语从句或宾语从句，而把主语从句或宾语从句放到______，尤其是连词that引导的主语从句常用于此种句式中，但what，whatever，whoever，whichever引导的主语从句一般不后置。it后面二.宾语从句1.由连词that引导:that常可省略。Itoldhim(that)Iwouldcomebacksoon.注：并列二个以上的宾语从句,或有插入语时不能省略that.)Hesaid(that)hehadfinishedreadingthisnovelandthathewouldborrowanotherone.用it作形式宾语,that引导的真正的宾语从句放后面时,that不省略.Hemadeitclearthatheobjectedtotheplan.1.介词后的宾从.Everythingdependsonwhetheritisfinetomorrow.2.whetherornot的宾从.Idon’tknowwhetherornotshe’lllikeit.whether与if有时可以换用，但下列情况只能用whether.三.表语从句表语从句的引导词与主语从句和宾语从句相同.但:1.that引导表语从句时不能省.2.if不能引导表语从句.Thenewsthatourteamhaswonthematchistrue.Igavehimasuggestionthathe(should)gohomeatonce.四.同位语从句同位语从句一般跟在名词fact,news,idea,suggestion等后面,用以说明或解释前面的名词.注:1.同谓语从句多用that引导2.在havenoidea之后常用wh-引导同位语从句.Ihavenoideawherehehasgone.Ihavenoideawhenhedidit.Ihavenoideawhathedid.同位语从句定语从句ImadeapromisethatIwouldbuyabiketohim.Thisistheschoolthatwevisitedlastyear.引导词that只起连接的作用不充当句子成分引导词that除了引导句子外还充当一定的句子成分同位语从句与前面的名词是同位关系表示这个名词的内容定语从句对先行词起修饰作用，表示“…的”。同位语从句的that一般不能省而定语从句中的关系代词that，当其在从句中做宾语时，常常可以省略VI巩固练习1.Thequestionis____thefilmisworthseeing．A．ifB．whatC．whetherD．how2.Oneofthemenheldtheview____thebooksaidwasright．A．thatwhatB．WhatthatC．thatD．whether3.Dr.BlackcomesfromeitherOxfordorCambridge,Ican'tremember____.A．whereB．thereC．whichD．that4.Energyis____makesthingswork．A．WhatB．everythingC．somethingD．anything5.Thereason____Ihavetogois_____mymotherisillinbed．A.why;whyB.why;becauseC.why;thatD.that;because6.Hedoesn'tthinkthequestionof____theyaremenorwomenisimportant．A.whetherB.ifC.whichD.why7.Itwasorderedthatallthesoldiers____tothefront．A.shouldsendB.mustbesentC.shouldbesentD.mustgo8.Airistous____wateristofish．A.isthatB.whatC.whichD.that