both of them both them both of their parents both their parents 的区别?

问题描述:

both of them both them both of their parents both their parents 的区别?

both of them=they both,在句中作主语用
them both:在句中作宾语(因为them为宾格)
both of their parents= both their parents 在句中既可做主语,也可以做宾语,只要是有需要名词就可以用.