现在完成进行时的被动语态的谓语动词形式是怎样的?
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现在完成进行时的被动语态的谓语动词形式是怎样的?
现在完成进行时的被动语态的谓语动词形式是怎样的?
现在完成进行时的被动语态的谓语动词形式是怎样的?
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 discussing the problem for 2 days.
变为：The problem has been discussed for 2 days.
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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 d...
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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.
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