as作伴随状语的用法（as作介词引导什么状语）

as在英语中有许多用法。现在只讲解一下as引导的伴随状语。

as在此结构中是一个连词，

As+主语+谓语动词，主句

As the production increased by 20 percent, we have had another good harvest year. 随着产量增长20%,我们又有一个丰收年。

As he was seriously injured, Allen was rushed to the hospital.

带着严重的伤，Allen 被快速送到医院。