第_____讲名词性从句用法详解●名词性从句概念:在从句中起名词作用的从句即名词性从句。它们是:主语从句,宾语从句 , 同位语从句和表语从句。引导名词性从句的连接词: ★ 连接代词:who, whose, whom, what, which。有词义,在从句中担任成分,如主语、表语、宾语等。★ 连接副词: when, where, why, how ,whether, if, as if 有词义,在从句中担任成分,作状语。 ★连接限定词whose, what, which 在从句中担或定语★ 连接词: that, 无词义, 在从句中不担任成分,有时可省略。一. 主语从句1. 主语从句在复合句作主语。e.g. Who will go is not important. 2. 用 it 作形式主语,主语从句放在句末 e.g. It doesn’t matter so much whether you will come or not. 二. 表语从句表语从句在复合句中作表语,位于系动词之后。e.g. The question was who could go there. 三. 同位语从句同位语从句一般跟在名词(如:news, fact, idea, suggestion, promise等)之后,进一步说明该名词的具体内容。e.g. I have no idea when he will be back. The fact that he had not said anything surprised everybody. 四. 宾语从句:在复合句中作及物动词或介词的宾语的从句叫宾语从句. ① 当一个动词带有两个或两个以上that 引导的宾语从句时,第一个 that 可以省略, 但从第二个开始不可以省略。 He said (that) he would spend his winter holiday in London this year and that it would be the first time he would spend his holiday alone abroad. ②当宾语从句有补语时,要用形式宾语it 代替,而将宾语从句移至补语后,同时that 不可省略。 We should make it clear that protecting the environment is everyone’s duty. We find it important that one forms a good habit. ●名词性从句的一般引导词1. 连接词that 只起连接作用,没有任何意思,也不充当句子成分,在宾语从句中可省略,但引导其他名词性从句时通常不省略。如:I hope (that) you enjoy your holiday. 希望你假期过得好。That he likes you is very obvious. 很显然他喜欢你。2. 连接词whether 也不充当句子成分,但有自己的意思,表示“是否 ”;引导宾语从句时,可换成if,但引导其他名词性从句时不能...