现在完成进行时的被动语态的谓语动词形式是怎样的?
问题描述：
现在完成进行时的被动语态的谓语动词形式是怎样的?
答
现在完成进行时的被动语态
------- have / has been being done
过去完成进行时的被动语态
------- had been being done
将来完成进行时被动语态
------- will have been being done
例句：
1 The problem had been being discussed for three hours when the Mayor's order came to stop it.
2 Now comes the Mayor's order to solve the problem that has been being discussed for three hours.
答
现在完成进行时：have/has been +动词现在分词 但是现在完成进行时没有被动语态如果有现在完成进行时的主动结构的句子变为被动结构,可以用现在完成时.即转换成：have/has been +动词的过去分词例：We have been disc...