名词性从句 (3)VIP免费

分类解雇名词性主语主语从句宾语从句表语从句同位语从句从句连接代词who,whom,whose,which,what,wh--ever连接副词how,why,when,wherehowever,wherever,whenever连接词that,whether,if,asif/asthough引导名词性从句的关联词在名词性从句中一律用陈述句的语序，即使从句表达的是疑问含义。Theproblemiswhathehasdonetothelittleboy.问题是他对那个小男孩做了些什么。1.主语从句在句中作主语的句子叫主语从句。Whowillwinthematchisnotsure.that无成分无意义，只起连接作用；连接代词和连接副词在句中既保留自己的疑问含义、又起连接作用，在从句中充当成分。when•whenhewasbornisnotclear.what•whathehasdoneisnotclear.thatThatheisastudentisclear.=Itisclearthatheisastudent.itit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.1）It+be+名词+that从句It+be+形容词+that从句It+be+动词的过去分词+that从句It+不及物动词+that从句2.宾语从句1）Histeacherthihkhewasbrightand______hewasworthteaching.insist2)Iinsistthatshe(should)doherworkalone.注意:在demand,order,suggest,advise,decide,insist,desire,request,command等表示要求、命令、建议、决定等意义的动词后，宾语从句常用“should+动词原形”。但是,如果suggest作“表明、暗示”讲不用虚拟语气。Wedoubt()hecanwinthegame.Idon’tdoubt()hewillwinthegame.doubt肯定句用whether/if否定句用that2.that小结whether和if均可引导动词后的宾语从句，常可互换。但从句中有ornot时或介词后的宾语从句中只能用whether连接。其它名词性从句，如：主语从句、表语从句、同位语从句只用whether.后接不定式也只能用whether3.表语从句引导表语从句的关联词与引导主语从句的关联词大致一样，表语从句位于连系动词后，有时用asif,because引导。Itlooks()itisgoingtorain.That’sjust(）Iwant.4。同位语从句一般跟在某些表示抽象概念的名词后,如news,idea,information,fact,hope,thought,belief等。引导同位语从句的连接词通常有that,whether和连接副词when,where,why,how；连接代词who，what，whose，which通常不引导同位语从句，Thenews()wewonthegameisexciting.Thethoughtcametohim()Maryhadprobablyfallenill.Ihavenoidea()shewillbeback.when名词性从句考查的要点1.陈述语序问题2.that与what的区别3.it作形式主语或形式宾语4.whether与if的区别5.疑问词+ever引导的名词性从句不能替换为nomatter+疑问词引导的状语从句6.名词性从句需用虚拟语气的情况。当堂检测