在线英语听力室

逻辑主语的用法

时间:2015-10-13 23:54:26

(单词翻译:单击)

   雅思作文中免不了要考虑句子多样性。在句子中常会有逻辑主语来开头。所谓的逻辑主语就是一些非谓语动词的真正主语。这些非谓语动词,譬如说动名词、不定式,还有现在分词和过去分词,很多同学都在用,但是很多时候忘记真正的主语。

  1 不定式to do, in order to do something
  In order to attract visitors, historic buildings should be maintained.
  错误的原因:历史建筑是没有生命的,不可能有“in order to”
  正确的句子:In order to attract visitors, city councils should maintain historic buildings.
  2 when, while, before, after 等连词引导的现在分词
  例句:When communicating with others, patience is important.
  错误的原因:communicating这个分词的主语是人,不可能是patient
  正确的句子:when communicating with others, one should show patience.
  3 by+doing
  例句:By setting rules, children can reduce behavioural problems.
  错误的原因:setting rules的主语不是children
  正确的句子:By setting rules, schools can reduce behavioural problems.

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