如何把Have的疑问句改成被动语态

问题描述:

如何把Have的疑问句改成被动语态

你说的应该是现在完成时的被动吧
现在完成时是:have/has done
现在完成时的被动是:have/has been done
例:I have finished my homework .
这句话的被动:My homework has been finished by me.