have与has的区别this one must have been in the possession of privite c_英语解答

have与has的区别
this one must have been in the possession of privite collector
this one 不是第三人称么不是应该用has么

人气：365 ℃　时间：2020-04-30 02:00:41

解答

must是情态动词,后面跟动词原形
其他的情态动词还有can,need等等