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2013年英语四级改错题常考要点-非谓语动词2

考试网   2013-12-08   【

  catastrophic events such as volcanic eruptions.

  C       D

  分析:B错,应改为to explain。 attempts后应跟动词不定式短语表目的,故将名词explanation改为to explain。

  例:In the early 1960's the Civil Rights movement made great

  A                   B

  efforts for registering members of minorities to vote.

  C            D

  分析:efforts to register, C错

  C. 动词不定式的其他用法

  (1) be to do 表示已安排好或者注定要发生的动作,属于将来时态的范畴

  She and Anne are to meet at two o'clock.

  (2)不定式的完成式为“to have done”,表示不定式的动作在谓语动作之前发生,这个完成式通常表示一般过去时

  I am glad to see you.

  I am glad to have seen your mother yesterday.

  yesterday是一般过去时,修饰have seen.

  (3) 形容词后面使用动词不定式,主动表示被动

  It is difficult to decide.

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