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1、-------------WORD格式--------------一对一个性化学科优化学案鹰击长空—基础不丢一、概述在复合句中具有名词的性质的作主语、表语、同位语、宾语的从句叫名词性从句。因此,我们把主语从句、表语从句、同位语从句和宾语从句这四种从句统称为名词性从句。ItisafactthatEnglishisbeingacceptedasaninternationallanguage.(主语从句)Thetroubleisthatshehaslosthisaddress.(表语从句)Theyhavenoideaatallwherehehasgone.
2、(同位语从句)Doyourememberhowhecame?(宾语从句)二、主语从句(subjectclauses)1、概述在复合句中起主语作用的从句叫主语从句。引导主语从句的词有从属连词、关系代词、连接副词等。引导主语从句的关联词有从属连词that、whether,关系代词:who,what,which,whom,whose,whatever,whoever,whomever,whichever;关系副词:when,where,how,why,however,whenever,wherever等。Thatyoudon’tlikehimisnoneo
3、fmybusiness.Whathesaidistrue.Whetherthefootballgamewillbeplayeddependsontheweather.2、从属连词that,whether引导的主语从句。从属连词that,whether在主语从句中的作用只是引导主语从句,它们在从句中不担任成分,不能省略。Whethershewillcomeornotisstillaquestion.Thattheywillgoiscertain.Whethershe'scomingornotdoesn'tmattertoomuch.3、it作形式主语引
4、导主语从句。如果主语从句太长,为避免句子结构头重脚轻,我们可用it作形式主语,而把主语从句放在主句谓语部分之后。That引导的主语从句可用it代替,that不可省略。用作it作形式主语的结构:(1)Itis/was+形容词+that从句It’snaturalthat…很自然……It’sobviousthat…显而易见……(2)Itis/was+名词+that从句It’sapitythat…遗憾的是……It’safactthat…事实是……--------------------------WORD格式--------------(3)It+不及物动词
5、+that从句Itseemsthat…似乎……Itturnsoutthat…结果……(4)Itis/was+过去分词+that从句It’sreportedthat…据报道……It’sbelievedthat…据认为……Itisapitythatshehasmadesuchamistake.It'sstrangethathedidn'tcomeyesterday.4、由关系代词引导的主语从句。关系代词who,what,which,whom,whose,whatever,whoever,whomever,whichever等,引导主语从句时,它们分别在从
6、句中担任主语、宾语或定语,不能省略。Whoeverleavestheroomlastoughttoturnoffthelights.Whatyouhavedonemightdoharmtootherpeople.Whathesaidatthemeetingastonishedeverybodypresent.Whomadethelongdistancecallisnotimportant.5、关系副词引导的主语从句。连接副词有when,where,why,how,however,whenever,wherever等引导主语从句时,它们在从句中担任状语
7、,不能省略。此类主语从句可以转换为以it作形式主语的句子。Whyhedidn'tcomehereisnotcleartoanyone.Whereshehasgoneisnotknownyet.Whentheywillstarthasnotbeendecidedyet.三、表语从句1、概述用作表语的从句叫作表语从句,它位于主句中的连系动词之后。引导表语从句的词有从属连词that、whether、asthough(if);关系代词who,what,which,whom,whose,whatever,whoever,whomever,whichever等;
8、关系副词when,where,why,how,however,whenever,wherever等。可以接表