含情态动词的被动语态
来源:百度知道 编辑:UC知道 时间:2024/05/16 00:30:14
请详细说明一下这个语法项目。谢谢!
含有情态动词的被动语态的被动语态结构为:“情态动词+be+动词的过去分词”
例如: You may keep the book for two weeks.(主动语态)
The book may be kept for two weeks by you .(被动语态)
情态动词+be +动词的过去分词
如 The house must be cleaned before father retuned.
爸爸回家前必须把房子打扫干净.