题目内容：

Paul doesn't like this new job.Sometimes he has to work at weekends.和 Where does she have to go
为什么第一句he是第三人称单数,后面跟has to
但是she 后面却跟着have to?

优质解答

第一句 has 是he 的单数
第二句 have 的单数已经在does上体现出来了 所以have就不用在变换形态了