精选优质文档-倾情为你奉上名词性从句专项复习主语从句、表语从句、宾语从句、同位语从句,在整个句子中所起的作用,相当于一个名词因此,这四种从句通称为名词性从句。引导名词性从句的连接词可分为三类:连接词that,whether, if (不充当从句的任何成分)连接代词:what, whatever, who, whoever, whom, whose, which. 连接副词:when, where, how, why名词性从句连接词的选用(一) that 和 what的选用:that 和 what都可引导所有的名词从句。但是,what除起连接作用外,还在名词性从句中充当成分,可做从句的主语、宾语、或表语。而that在名词性从句中不充当任何成分,只起连接作用。that / what1._ he wants is a book.2. _ he wants to go there is obvious.3.The result is _ we won the game.4.This is _ w