children could's have done all this damage怎么变被动语态?

发布时间：2021-02-28 00:50:33

children could's have done all this damage怎么变被动语态?

网友回答

All this damage cuold have been done by children.
======以下答案可供参考======
供参考答案1:
all this damage couldn't have been done by children
供参考答案2:
This damage couldn't have been all done by children.
或All this damage couldn't have been done by children.
以上问题属网友观点，不代表本站立场，仅供参考！