as作连词引导什么从句

回答

爱扬教育

2022-03-09

作"当……的时候",引导时间状语从句。
when作"当……的时候"解,可以指较短的(一点)时间，也可指一段时间。如:
When he was at college, he could speak several foreign languages. （表示一段时间）。

扩展资料

　　as的其他用法：

　　一、 as作关系代词,引导定语从句,作"正如"、"这一点"解。

　　He is very careful, as his work shows.

　　As is well-known, Taiwan belongs to China.

　　另外,当先行词被the same, such等词修饰时，常用as来引导定语从句。

　　Such a clever boy as he can learn anything quickly.

　　二、 as作介词的用法

　　as引导的介词短语大多用作状语，as译为"作为"；少数情况可引起宾语补足语。

　　As a League member, I'll take the lead in everything. (状语)

　　She works as a doctor. (状语)

　　They have me as one of their own children.(引起宾语补足语)