用英语说TOM有几个兄弟?咋说

How many brothers does Tom have?

how much brothers does TOM have？

How many brothers does Tom have?
How much 一般问多少钱时用

How many brothers does Tom have?
brother是可数名词，其复数形式是规则的，因此在brother后加s 即brothers，而how many 是修饰可数名词的，how much是修饰不可数名词的，因此正确翻译如上所说。