问题描述： has seen与has been seen 1个回答 分类：英语 2014-11-27 问题解答： 我来补答 has seen 是现在完成时的主动语态has been seen是现在完成时的被动语态如：He has seen many films since he came here.He has been seen to clean the room for many times. 再问： He has been seen to clean the room for many times的中文什么意思 再答： 他被看见多次打扫房间 展开全文阅读
