too many,too much和much too用法区别：
看后面那个单词例如：too many看many，many后加可数名词，所以too many后面也加可数名词。too much看much，much后加不可数名词，所以too much后面就加不可数名词。而much too后面是too，too是太的意思，后加形容词或副词，故much too后面就加形容词或者副词。
例句：Don’t carry too many things.
There is too much water in the bottle.
It is much too heavy.