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高考英语语法:过去完成时用法讲解

来源:wtcaifu.com | 作者:周子晨 | 本文已影响
  1、过去发生的两个动作,先发生的用过去完成时
  With their help I realized that I had been wrong.
  2、过去某时以前发生的动作或情况
  He hasn’t finished yet.
  He didn’t finish yesterday evening.
  He hadn’t finished by yesterday evening.
  3、常用过去完成时的情况
  ①No sooner…than…. Hardly…when…
  No sooner had he begun his speech than he was interrupted
  ②expect, hope, think, want, suppose等动词的过去完成时(或一般时)表示想做而未做的事
  I had planned to send him a telegram, but I didn’t manage it.
  4、使用过去完成时的必要性和非必要性
  ①句意十分清楚时,可用一般时
  After I finished, I went home.
  ②常用一般过去时表示依次发生的动作
  I got out of the taxi, paid the fare(车费) and managed it.
  ③有时必须明确,特别是含when时
  When I arrived, Ann left.
  (同时见到)(见到Ann)
  When I arrived, Ann had left.
  (先后发生)(没见到)
  5、常用过去完成时的时间主状语
  by the end of + 过去时间 ; by + 过去时间
  by the time + 过去时间; 过去时间 + before
  比较:
  By the time he was 11, he had learned 3000 words .
  By the time he is 11, he will have learned 3000 words.
  By the time last week, I had learned 3000 words.
  By the time next week, I will have learned 3000 words

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