英语好的进

as many as是修饰可数名词的“和。。一样多”，别的意思我还真不知道，as much as 一般是修饰不可数名词，意思跟as many as 相同。
as soon as意思是“在。。。的时候”
比如I'll write you as soon as I get there.
我一到那就给你写信

as many as
a. 和...一样多(整整的)
例句:
As many as 100 people were killed in the air crash.
这次空难中多达一百人丧生。
She has as many as seven sisters.
她的姊妹有七人之多。
Take as many as you please.
你要多少就拿多少。

as soon as
conj. 一...就
例句:
I'll write you as soon as I get there.
我一到那儿，就给你写信。
We must improve our efficiency as soon as possible.
我们必须尽快地提高工作效率。
They will post me the tickets/post the tickets to me as soon as they receive my cheque.
他们收到我的支票后就立刻把票寄给我.

as much as
差不多,尽...那么多
例句:
And I can only move my arm as much as this.
我只能这样摆动手臂。
My father loves me as much as my mother does.
我父亲和我母亲一样爱我。
He retorted that it was my fault as much as his.
他反驳说我的错误并不比他的小。

as many as还有“多达..”的意思。
as soon as是“尽快”的意思。
as much as是“和...一样多”的意思。

as……as
AS +adj(原级)+AS
AS +adv(原级)+AS
as soon as 一……就
as much as和。。。一样多
as soon as possible 尽可能快地
as early as possible 尽可能早的
as carefully as you can 尽可能认真地
as careful as you can 尽可能认真的

as soon as
ph.
1. 一经...;立即...;一...就...

as much as
adv.
差不多
They do not visit their parents as much as they ought to.
他们没能像应该做的那样经常看望他们的父母