来自路文初的问题
havebeen还是havebeenbeing?
havebeen还是havebeenbeing?
1回答
2019-11-10 21:48
havebeen还是havebeenbeing?
havebeen还是havebeenbeing?
havebeen现在完成时(主动语态)
havebeenbeing现在完成进行时(被动语态)