be on 表上演时有无被动语态

问题描述:

be on 表上演时有无被动语态

无被动语态,因为be是不及物动词,表状态的,没有被动语态看下这道题好嘛 谢谢The meeting by the time I got there yesterday.A was onB has been onC beganD had begunDby the time 用过于完成时或过去式是吧 谢谢了问了这么多by the time 用于完成时态,可以是过去完成时,也可以是将来完成时