how many peoples are there in your family哪错了?

问题描述:

how many peoples are there in your family哪错了?

PEOPLE 不用加S

people已经是复数形式 去掉s

people不用加s
people指人的时候是一个复数名词,不用加s就已经是很多人的意思了,只有在表示民族的时候,才是单数,如果是说很多民族则是peoples