牛津深圳版八年级下册英语期末复习Unit3单元总结附答案 被动语态的用法 被动语态 一、意义:与主动语态相比,主动语态表示主语是动作的发出者;被动语态表示主语是动作的承受者。 二、基本结构:be + done 三、各种时态的被动语态 ① 一般现在时的被动语态:am/is/are + 动词的过去分词 The room is often cleaned by the students. ② 一般过去时的被动语态:was/were + 动词的过去分词 The room was cleaned by the students at 8 yesterday. ③ 一般将来时的被动语态:will be + 动词的过去分词 The room will be cleaned by the students tomorrow. ④ 现在迚行时的被动语态:am/is/are + being + 动词的过去分词 The room is being cleaned by the students now. ⑤ 现在完成时的被动语态:has/have + been + 动词的过去分词 The room has already been cleaned by the students. ⑥ 含情态动词的被动语态:情态动词 + be + 动词的过去分词 The room should be cleaned every day. 四、特殊情况:复合宾语的被动语态 感官动词和使役动词在主动句中,其后的动词丌定式丌带 to,但变被动时必须加上 to。 The boss made the worker work for 12 hours yesterday. 改:The worker was made to work for 12 hours yesterday by the boss.
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