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英语语法:动词的时态(6)
作者:深圳教育在线 来源:szedu.net 更新日期:2008-3-1

  动词的语态

  语态也是动词的一种形式,英语有两种语态:主动语态和被动语态。主动语态表示主语是动作的执行者,而被动语态表示主语是动作的承受者。

  1)We use electricity to run machines. (主动语态)

  2)Electricity is used to run machines. (被动语态)

  1. 不能用于被动语态的动词和短语

  (1)在英语中,不及物动词不能用于被动语态,但有些不及物动词(包括短语)容易引起误用。如:appear, belong, belong, die, escape, fall, happen, last, remain, succeed, occur, come true, take place, consist of.

  (2)某些表示状态或特征的及物动词,如:become, contain, cost, fit, have, resemble, suit也没有被动语态。

  2. 被动语态的时态形式

  常用的被动语态有表1 所列的几种时态形式。

  表1

  时间  一般时        进行时      完成时

  现在  am asked     am being asked

  is asked     is being asked

  are asked     are being asked

  过去

  was be asked   was being asked

  were be asked   were being asked

  将来  shall be asked            shall have been asked

  will be asked            will have been asked

  过去  should be asked            should have been asked

  将来  would be asked            would have been asked

  3. 短语动词的被动语态

  短语动词转换为被动语态时,通常被看作是一个动词,后面的介词或副词不能拆开或省略。例如:

  1)So far no correct conclusion has arrived at.

  2)All the rubbish should be got rid of.


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