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被动语态

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被动语态的定义

被动语态被动语态

被动语态(Passive Voice)是语法中的一种语态形式,表示主语是动作的承受者,而非执行者。其核心结构为:
“受事主语 + be动词 + 动词过去分词 (+ by + 动作执行者)”
例如:

  • 主动语态:The cat ate the fish.(猫吃了鱼。)

  • 被动语态:The fish was eaten by the cat.(鱼被猫吃了。)


被动语态的构成

被动语态的构成需根据时态变化,基本规则如下:

时态结构示例(以动词“do”为例)
一般现在时am/is/are + done(如:Letters are delivered daily.)
一般过去时was/were + done(如:The book was published in 2020.)
一般将来时will be + done(如:The project will be completed soon.)
现在进行时am/is/are being + done(如:The road is being repaired.)
过去进行时was/were being + done(如:The cake was being baked when I arrived.)
现在完成时have/has been + done(如:The report has been submitted.)
情态动词情态动词 + be + done(如:The work must be finished today.)

被动语态的适用场景

  1. 强调动作承受者
    当动作的承受者更重要时使用,例如:

    • The Mona Lisa was painted by Da Vinci.(强调《蒙娜丽莎》而非达芬奇。)

  2. 动作执行者未知或不重要
    例如:

    • The window was broken last night.(谁打破的未知或不需说明。)

  3. 客观陈述或科学描述
    常见于学术写作、新闻等,体现客观性:

    • The experiment was conducted under controlled conditions.

  4. 避免主观责任
    在正式场合或委婉表达时使用,例如:

    • Mistakes were made.(而非直接指出责任人。)


被动语态的注意事项

  1. by短语的省略
    当动作执行者不重要或上下文明确时,可省略“by+执行者”。

    • 例:The laws were passed in 1990.(无需说明通过者。)

  2. 不及物动词无被动语态
    如“happen, appear, die”等动词无被动形式。

    • 错误:The accident was happened yesterday.

    • 正确:The accident happened yesterday.

  3. 主动表被动的情况
    某些动词(如sell, feel, wash)的主动形式可表被动意义:

    • The dress sells well.(裙子很畅销。)


被动语态与主动语态的转换

转换规则:

  1. 主动语态的宾语变为被动语态的主语;

  2. 动词改为“be + 过去分词”;

  3. 主动语态的主语变为“by + 执行者”(可选)。

示例

  • 主动:The chef cooked the meal.

  • 被动:The meal was cooked (by the chef).


特殊形式的被动语态

  1. 双宾语动词的被动语态
    某些动词(如give, send)可有两种被动形式:

    • She gave me a book.

      • A book was given to me (by her).

      • I was given a book (by her).

  2. 动词短语的被动语态
    需保留短语中的介词或副词:

    • They looked after the child.The child was looked after.


被动语态的常见错误

  1. 误用被动语态导致句子冗长

    • 例:The meeting was held by the committee at noon.(不如主动语态简洁:“The committee held the meeting at noon.”)

  2. 遗漏助动词或过去分词

    • 错误:The letter send yesterday.

    • 正确:The letter was sent yesterday.


不同语言中的被动语态

  • 中文:常用“被”“由”“受”等字标记,但使用频率低于英语。

  • 日语:通过动词变形(如“~られる”)表示被动。

  • 德语/法语:结构与英语类似,但需注意动词变位。

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