关于主谓一致的单复数问题this one must have been in the possession of a private collector and somehow managed to escape.为什么用Have been 不用 Has been 不是单数么
2019-05-03
关于主谓一致的单复数问题
this one must have been in the possession of a private collector and somehow managed to escape.
为什么用Have been 不用 Has been 不是单数么
优质解答
this is one of the possession of private collectors
这是其中一个,所以have been是用来表示private collectors
this is one of the possession of private collectors
这是其中一个,所以have been是用来表示private collectors