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高考英语语法:各结构的被动形式

编辑: 路逍遥 关键词: 高考复习 来源: 记忆方法网

  各结构的被动形式
  <例句>
  How could he be persuaded to stay?
  怎么能劝说他留下?
  <语句分析>
  由can, could和be可构成被动结构,can, could 后的不定式可用完成形式,may,might或should等词后的不定式也可用完成形式。有一些不定式结构如ought to, be going to等也可构成被动形式。有些成语动词如及物动词+副词,动词+介词,动词+副词(名词)+介词等都可以有被动结构形式。
  <触类旁通>
  (1) This can't have been done by a human being.
  这不可能是人做的事情。
  语法分析:can, could后的不定式可用完成形式。
  (2) The road may be further widened.
  这条路还可再拓宽一点。
  语法分析:may, might可构成被动结构。
  (3) They might have been put in the wrong place.
  它们可能被放错了地方。
  语法分析:may, might后的不定式也可用完成形式。
  (4) This ought to be done right away.
  这事情应当马上去做。
  语法分析:ought to 的被动结构。
  (5) When is the dam going to be completed?
  水坝什么时候建成?
  语法分析:be going to 构成的被动结构。
  (6) Her illness was brought on by her worries.
  她忧虑成疾。
  语法分析:成语动词的被动结构。
  (7) We were assigned a lot of homework.
  我们有很多家庭作业。
  语法分析:双宾动词的被动结构。
  <巩固练习>
  (1) This can't _____ done in a short time.
  (2) She might _____ sent to work abroad.
  (3) All these factors mustn't _____ neglected.
  (4) This should _____ kept a secret.
  (5) Does this need _____[be] mentioned?
  (6) How many people are going to _____[send] there?
  (7) This has to _____[do] promptly.
  (8) Not a soul was _____[see].
  (9) You are requested _____[present] at the ceremony.
  <参考答案>
  (1) be (2) be (3) be (4) be (5) to be (6) be sent (7) be done (8) to be seen (9) to be present


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