such与as的不同

作“如此”讲的时候

第1个回答  2007-09-11
such a/an + 单数名词
或直接 + 不可数或复数名词

as 很少作“如此”讲,一般作“正如”“作为”比较多
比如说:as a teacher, 作为一位老师
第2个回答  2007-09-11
such与so的区别与用法
such与so的意思都是“如此,这样”。但两者用法根本不同,与what和how引导的感叹句相类似。

1、such后面主要是修饰名词。即:such+a/an+adj.+n.或a/an+such+adj.+n.。如果名词是不可数名词或复数名词,则不可以用不定冠词a或an。如:

①He has such a beautiful bike. We all go to see it.

②It's a such fine day. We al want to go to fly a kite.

2、so后面只能跟形容词或副词。即:和so+adj.或adv.不过,so后面也可以跟名词,但该名词必须是单数可数名词。用法为:so+形容词+a或an+单数可数名词。如:

①The tiger is so big. And the cat is so small.

②She is so lovely a girl.

3、它们后面还可以与that从句连用。即:such…that和so…that意思是“如此……以致……”。如:

①She is such a clever girl that she can make much progress in math exam.

②His brother is so young that he can't go to school.

注:当名词前的形容词为表示数目的词时,such必须换成so。如:

①There are so many people that we can't go past.

②I ate so much food that I didn't want to go any farther.

注意这一句话:He is such a little boy that he can't read or write.(这一句话中的a little不是“一点”的意思,而是“一个小的”的意思,所以,前面仍然用such,而不用so。本回答被提问者采纳