主语从句结构及用法

结构：通常结构为“引导词 + 主语 + 谓语 + 其他成分"用法：1、that引导。2、whether引导。3、连接代词引导: who,whom, whose, what, which, whoever, whomever, whichever, whatever。4、连接副词引导: therefore, besides, otherwise, however, moreover, still, thus, meanwhile。5、关系代词型what引导。

主语从句结构及用法

在句子中担当主语的从句就叫做主语从句，通常放在主句谓语动词之前或由形式主语it代替，而本身放在句子末尾。通常结构为“引导词 + 主语 + 谓语 + 其他成分"

that引导

eg：That you are coming to London is the best news I have heard this long time.

whether引导

eg：Whether they would come to conference was a question.

连接代词引导: who,whom, whose, what, which, whoever, whomever, whichever, whatever。

eg：Whoever is top from wins the game when two matched players meet.

连接副词引导: therefore, besides, otherwise, however, moreover, still, thus, meanwhile。

eg：How this happended is not clear to anyone.

关系代词型what引导

eg：What shoked me was that she never wash her own clothes.