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1、高考英语语法：名词从句概述一.定义:在句中的作用相当于一个名词的从句叫做名词性从句二.分类:名词性从句包括四类,分别是:主语从句,宾语从句,表语从句,同位语从句三.引导词:名词从句的引导词包括连词that/if/whether,连接代词who/whom/whose/what/which,连接副词when/where/how/why,另外还有:whatever,whichever,whoever等主语从句一.定义:在句中充当主语的从句就是主语从句二.示例:a.Thathelookedatmeinthatstrangewaypuzzledme.b.
2、Whetherwecancontrolthefloodsisstilluncertain.c.Whathewantedtoseewasanendtoallthearmiesoftheworld.d.Whenthebroadcaststationwillbereadyisunknown.e.Whomadethelongdistancecalltohimisnotimportant.f.Whetherwe’llgodependsontheweather.三.应注意的问题:1.以that引导主语从句时,常用it作形式主语,而把真正主语后移,如在以下句
3、型中就是如此:Itis+adj/n+that...;Itissaid/reported/hopedthat...a.Itiscertainthatfuelslikecoalandoilcausealotofpollution.b.Itwassaidthatonlythreepeopleintheworldcouldunderstanditatthattime.2.whether引导主语从句时,常置于句首(此时whether不能用if代替),也有后移的用法(此时whether可以用if代替)a.Whethertheywillcomeisnotye
4、tknown-6-.b.Itisnotyetknownwhethertheywillgothere.3.连接代词who,what,which和连接副词when,where,how,why引导主语从句时,一般不后移a.WhatItoldyoulastnightwasreallytrue.b.Whichteamwillwinthegameisnotyetknown.c.HowtheywenttotheUSAisstillapuzzle.宾语从句一.定义:在句中充当宾语的从句就是宾语从句.谓语动词,非谓语动词,介词都可以带有宾语从句二.示例:1.谓语
5、动词的宾语从句:a.Theyknewthatthehabitmaykillthem.b.Sheaskedwhether/iftherewereanychemist’sshopsinthisstreet.c.Theteachertoldthemwhofirstinventedthetelevisionset.d.Iwanttoknowwhosenotebookisleftonthetableinthereadingroom.e.CanyoutellmewheretheGreatPyramidis?2.非谓语动词的宾语从句:a.Havingknow
6、nwhathehaddoneinschool,hisfatherwasveryangry.3.介词的宾语从句:a.Theytalkedhalfanhouraboutwhathappenedintheschool.b.Heispleasedwithwhatwedidyesterday.c.Leifengalwaysthoughtofhowhecandomoreforthe-6-people.三.应注意的问题:1.句中有宾语从句且有宾补时,通常用it作形式宾语,而把宾语从句移到宾补后a.Wethinkitwrongthathedidn’thelpT
7、om.b.Ifeelitpossiblethatyouwillfinishtheworkinaday.2.that从句一般不作介词的宾语,但except等少数表示除外的介词除外a.Iknownothingabouthimexceptthathelivesnextdoor.3.关于主句和宾语从句的时态呼应:①.如果主句是过去时,宾语从句应是过去范畴的某时态a.HesaidhewouldflytoEgyptnextday.b.Herememberedthathehadleftherumbrellainthelibrary.②.如果宾语从句表示的是客
8、观真理或普遍现象,可以保持现在范畴时态,而不与主句时态呼应a.Theteachertoldusthatlighttravelsfasterthanso
