had been done 用于什么时态?

来源：学生作业帮助网 编辑：作业帮 时间：2024/05/06 12:48:03
had been done 用于什么时态?

had been done 用于什么时态?
had been done 用于什么时态?

had been done 用于什么时态?
过去完成时的被动态

过去完成时的被动态

同上

过去完成时的被动语态

过去完成时的被动词