英语的八种时态（一般现在、过去、将来、现在进行、过去进行、现在完成、过去完成和将来完成时态）的被动语态是由“be”动词加上过去分词构成，用来强调动作的承受者或受事者。掌握这些被动语态可以使语言表达更清晰、生动和流利。
被动语态的构成是由“be”动词（am, is, are, was, were, has been, have been, had been, will be, shall be, would be, should be, might be, may be, must be等）加上过去分词（-ed或第三人称单数形式）。被动语态用来强调动作的承受者或受事者，而不是动作的执行者。
下面是八种时态的被动语态的构成和用法：
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一般现在时态的被动语态 构成：am/is/are + 过去分词 例句：The letter is written by John. 用法：强调行为承受者或受事者。
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一般过去时态的被动语态 构成：was/were + 过去分词 例句：The book was written by Mark Twain. 用法：强调行为承受者或受事者。
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一般将来时态的被动语态 构成：will be + 过去分词 例句：The party will be organized by Mary. 用法：强调行为承受者或受事者。
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现在进行时态的被动语态 构成：am/is/are + being + 过去分词 例句：The letter is being written by John. 用法：强调行为承受者或受事者。
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过去进行时态的被动语态 构成：was/were + being + 过去分词 例句：The book was being written by Mark Twain. 用法：强调行为承受者或受事者。
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现在完成时态的被动语态 构成：has been/have been + 过去分词 例句：The letter has been written by John. 用法：强调行为承受者或受事者。
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过去完成时态的被动语态 构成：had been + 过去分词 例句：The book had been written by Mark Twain. 用法：强调行为承受者或受事者。
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将来完成时态的被动语态 构成：will have been + 过去分词 例句：The party will have been organized by Mary. 用法：强调行为承受者或受事者。
