so much和so many 对应,前者修饰不可数,后者可数.
too much (too 有表示'过分的多或程度')
eg;
she eats too much.她吃的太多了!(more than necessary)
还有一个含义:
too difficult or exhausting to tolerate
being excessive or unreasonable
如:
It's too much to ask him to lift up the dumbbell,because it is too heavy.