过去时态主动句变被动句

过去时态主动句变被动句?一般现在时如何把主动句变被动句?情态动词是如何把主动句变被动句?

第1个回答  2013-08-19
一般过去时的被动语态:was/were+过去分词例如:I bought a book yesterday.——A book was bought by me yesterday.一般现在时的被动语态:is/am/are+过去分词例如:We read English every day. —— English is read (by us) every day.情态动词的被动语态:情态动词+be +过去分词例如:You must hand in your homework today.——Your homework must be handed in today.本回答被网友采纳
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