精选优质文档-倾情为你奉上引导名词性从句的连接词一、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二、不可省略的连词：1. 介词后的连词2. 引导主语从句和同位语从句的连词不可省略。That she was chosen made us very happy.We heard the news that our team had won. 三、whether与if 均为是否的意思。 但在下列情况下，只用whether：1. whether引导主语从句并在句首2. 引导表语从句和同位语从句 3. whether从句作介词宾语 It all depends on whether they will support us.4. 后面直接跟动词不定时
