too much、much too和too many的区别？

too many 意为“太多”，中心词是many,用法与many相同，用来修饰可数名词复数。例如：
There are too many apples on the tree.
树上有太多的苹果。

too much 意为“太多”，中心词是much,用法与much相同，用来修饰不可数名词。也可以用作副词或代词。例如：
We 've had too much rain lately.
最近我们这里的雨下得太多了。
Watching TV is too much bad for your eyes.
电视看得太多对你的眼睛有害。
You've given me too much.
你给我的太多了。

much too 意为“太，非常”。中心词是too,用法与too相同，用来修饰形容词或副词原级。例如：
He ran much too fast.
他跑得太快了。
It is much too hot.
天实在太热了。
Let's have a try.

too much意思是“太多”，修饰不可数名词，置于名词前；too much也可修饰动词，放在动词后。例如：I have too much homework to do today.我今天有太多的作业要做（修饰不可数名词homework）。His father told him not to talk too much.他的父亲告诉他不要说太多（修饰动词talk）。

much too意思是“太”，修饰形容词或副词原级，表示程度。例如：That job is much too hard for me.对我来说，那份工作太难了。The ice on the lake is much too thick.湖面上的冰太厚了。

too many意思是“太多”，修饰复数名词。例如：There are too many people in the zoo.动物园里有太多人。

记忆口诀：too much,much too,用法区别看后头；much后跟不可数，too后则跟形或副；too many要记住，其后名词比复数。