1、所修饰词不同
how much用来修饰不可数名词,表示数量,也可单独使用。
how many用来修饰可数名词的复数,它的句式是:How many+复数名词+一般疑问句+?
例句: How much milk is there in the glass? 玻璃杯里有多少牛奶?
How many books are there on the desk?有多少本书在桌子上?
2、用法不同 How much 表示多少钱,用来问价格。
例句: How much is this dress? 这个连衣裙多少钱? How many 表示多少,用来问数量。
例句: How many apples do you have? 你有多少苹果?
How many children do you have?
你有几个孩子?
How many people came to the meeting?
多少人来参加了会议?
How many years have you been here?
你在这里有多少年了?
How many books do you have?
你有多少本书?
How much water do you need?
你要多少水?
So except these things, how much time has remained yet?
那么,除了做这些事情,我们还剩下多少时间?
How much time did you spend on this?
你做这事用了多少时间?