各个时态的被动语态
问题描述：
各个时态的被动语态
答
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...