各个时态的被动语态

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各个时态的被动语态

各个时态的被动语态
各个时态的被动语态

各个时态的被动语态
常用八种时态被动语态
一般现在时 am / is /are done
一般过去时 was/were done
现在进行时 am /is / are being done
过去进行时 was/ were being done
一般将来时 shall/ will be done
过去将来时 should / would be done
现在完成时 have/ has been done
过去完成时 had been done