be going to do 的被动语态

问题描述:

be going to do 的被动语态

been going to do吧!
我不确定

be doing to do 应该都用于主动吧?
被动语态我也不确定呃 有例句么?
to 后面或许可以接被动 根据句子意思呗

be going to be done
eg:The meeting is going to be held next week.会议将于下周召开.