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英语语法:被动语态的几种特殊用法

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英语语法:被动语态的几种特殊用法

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https://m.zhibs.net/english/grammar/1666.html

被动语态是英语语法中的一个重要概念,它在各种时态和语境中都有其独特的表现形式。本文将详细介绍被动语态的几种特殊用法,包括不同时态的被动语态、带情态动词的被动语态、非谓语动词的被动语态、"get +过去分词"构成的被动语态以及两种类型的被动句型转换。通过本文的学习,读者将能够更全面地掌握被动语态的使用方法。

1. 被动语态的不同时态

被动语态由"be +过去分词"构成,其中的助动词be可以根据情况使用各种不同时态。例如:

  • She is respected by everyone.(一般现在时)
  • The book will be reprinted soon.(一般将来时)
  • The road is being repaired.(现在进行时)
  • They have been given a warning.(现在完成时)

2. 带情态动词的被动语态

该结构的基本形式为"情态动词+be(或be的适当形式)+过去分词"。这类结构非常有可能作为语境题出现在考卷中。例如:

  • The rules must be obeyed.(这些规章制度必须遵守。)
  • They shouldn't have been told about it.(这事是不应当告诉他们的。)

3. 非谓语动词的被动语态

(1) 不定式一般式的被动语态

由"to be +过去分词"构成。例如:

  • She asked to be given some work to do.(她要求给她一些工作做。)
  • He was the last person to be asked to speak.(他是最后被邀请发言的人。)

(2) 不定式完成式的被动语态

由"to have been +过去分词"构成。例如:

  • I should like to have been told the result earlier.(我本想让人把结果早点告诉我的。)

(3) 现在分词一般式的被动语态

由"being +过去分词"构成。例如:

  • I saw him being taken away.(我看见有人把他带走了。)
  • Being protected by a wall, he felt quite safe.(有墙作保护,他感到很安全。)

(4) 现在分词完成式的被动语态

由"having been +过去分词"构成。例如:

  • Having been invited to speak, I'll start making preparations tomorrow.(因为邀请我去讲话,我明天就得做准备。)
  • The subject having been opened, he had to go on with it.(话题已经开始了,她不得不谈下去。)

(5) 动名词一般式的被动语态

由"being +过去分词"构成。例如:

  • She likes being looked at.(她喜欢被人瞧。)
  • He hates being made a fool of.(他讨厌被别人愚弄。)
  • This question is far from being settled.(这个问题远没解决。)

(6) 动名词完成式的被动语态

由"having been +过去分词"构成。例如:

  • Jenny's not having been trained as a dancer is her one regret.(杰妮没受过舞蹈的专业训练是她感到遗憾的事。)
  • After having been instructed to drive out of town, I began to acquire confidence.(在接到把车开出城的指令后,我开始信心十足了。)

4. "get +过去分词"构成的被动语态

英语被动语态通常由"助动词be +过去分词"构成,有时也可由"get +过去分词"构成。例如:

  • James got beaten last night.(詹姆斯昨晚被打了。)
  • How did that window get opened?(那个窗户是如何打开的?)

但总的说来,用get构成的被动语态不如用be构成的被动语态常见,尤其是在含有施动者的by短语时,用get构成被动语态更是少见。不过有时用be +过去分词构成被动语态造成误解时,人们可能会选get +过去分词来避免这种误解:

  • The window was broken.(窗户破了。)(表状态)
  • The window got broken.(窗户被打破了。)(表动作)

5. 两种类型被动句型的相互转换

英语中有一种主动句可以转换成两种被动句型,它们通常是一些表示客观说明的句子。例如:

  • People believed that she is honest.(大家相信她是诚实的。)
  • It's believed that she is honest.(大家相信她是诚实的。)
  • She is believed to be honest.(大家相信她是诚实的。)

比较上面两类被动句型可以发现,一类是"it + be +过去分词+ that从句",另一类则是"主语+ be +过去分词+不定式"(其中的"主语"为前一类句型中that从句中的主语),通常可用于这两类被动句型的动词有assume,believe, expect, fear, feel, know, presume, report, say, suppose, think, understand等。比较(同时注意其中时态和动词形式的变化):

  • It's known that he was a good singer. / He is known to have been a good singer.(大家知道他曾是位优秀的歌手。)
  • It's reported that he was driving fast. / He is reported to have been driving fast.(据说他当时车开得很快。)
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