as ...as和so...as

Nicole

在肯定句中只能用as...as…

否定句中既可以用not as ...as...也可以用not so...as

Eg: He is as clever as you.  他和你一样聪明。

      He is not as/so clever as you. 他不如你聪明。

要注意某些特别用法：

1) as … as possible 尽可能……

   I'll come back as soon as possible. 我会尽可能回来。

2) The clouds are as white as snow. 云像雪一样白。

3) so...as to do:那么……以至……

    He is so strong as to lift a big stone. 他那么强壮，可以举得起一块大石头。