as water is to fish,so air is to man

问题描述:

as water is to fish,so air is to man
air is to man as water is to fish这两句话都可以吗?
我想问下这里你说的so是连词,又不是副词,干吗要把is提前到装呢?

两句都不行
As water is to fish,so is air to man
这里的so是代词,不是连词