As+形容词或副词+aspossibe,意思是"尽可能……的"。例句：We have to run as fast as possible.我们得尽可能快的跑。(fast属于副词)下面就让听力课堂小编来给大家讲讲as…as possible的用法吧!

　　1、as习惯用法

　　1. as soon as 意思是"一......就......",引导一个时间状语从句。

　　如：I'll call you as soon as I finish my homework.

　　我一完成我的作业,就给你打电话。

　　2. as long as

　　意思是"长达......之久;只要......"。

　　如：She has searched the information about dinosaurs on the Internet as long as three hours.

　　她在因特网上搜索有关恐龙的信息已经长达三个小时。

　　3. as much as

　　意思是"高达......;与......一样多"。

　　是用来表达极其多的语气。

　　如：Some of the stones weigh as much as fifteen tons.有些石头重达15吨。

　　as...as用法：

　　as...as意为"和……一样"，表示同级的比较。

　　使用时要注意第一个as为副词，

　　第二个as为连词。

　　其基本结构为：as+adj./adv.+as。

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