as的时态结构

as用作连词引导时间状语从句，as与when，while都是引导时间状语从句的从属连词，含义都是"当……的时候"。

例句：

Its not as hard as I thought.

这没有我想象的那么困难。

I felt as pleased as anything.

我感到无比高兴。

扩展资料

I shouted as loud as I could。

我声嘶力竭地喊着。

His career is as good as over。

他的事业差不多要完了。

His hair was as white as snow。

他头发雪白。