名词性从句 一: 概念:连接带词和连接副词等引导的从句在句中充当名词的作用,称为名词性从句。名词性从句包括主语从句,表语从句,宾语从句和同位语从句。 1) 主语从句 ① That she was chosen made us very happy. S V C that引导的从句充当主语, 我们称在句中充当主语的从句为主语从句。 ② What cause the accident is a complete mystery. S 系 表 What 引导的从句充当主语 ③ Whoever comes to the party will receive a poresent. S V C ④ It depends on the climate whether they are going shopping today. 注 有时为了句子结构平衡,避免“头重脚轻”,常用it 做形式主语,而把从句放在后面。 二)表语从句(引导词有where, whether, who, that, which, whoever, whatever, whichever , when, ..)①The fact is that they are cross with each other. 主语 系 表语