have和has的用法：
1、have和has与主语搭配：主语为第三人称单数时用has，其余人称都用have。
2、have和has的意思有：有的，“吃、喝”，“拿、取得、得到”。
拓展资料
have
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。
has
1、This is a clear demonstration of how technology has changed
这清楚地表明了技术已有了怎样的进步。
2、There has already been a definite improvement
已经有了显著的改进。
3、The committee has been dissolved
委员会已经解散了。
4、She enchanted you as she has so many others.
她迷住了你，就像她迷住了其他那么多人一样。
5、The conflict with James has dragged on for two years.
与詹姆斯的冲突拖了两年。