1、have，has的过去式都是had。
2、has是 have的第三人称形式，它们的过去式都是had。
拓展资料
have的用法
1、Alex has already gone .
亚历克斯已经走了。
2、When I met her， she had just returned from a job interview .
我遇见她时，她刚参加完一场求职面试回来。
3、You haven't sent her away， have you?
你还没有把她送走，是吗
4、He arrived in San Francisco， having left New Jersey on January 19th .
1月19日离开新泽西后，他到了旧金山。
5、I went out and had a walk around .
我出去在周围散了一会儿步。
6、Come and have a meal with us tonight .
今晚来和我们一起吃饭吧。
7、Oscar had a new bicycle .
奥斯卡有一辆新自行车。
8、He had two tenants living with him .
有两位房客和他同住。
