助动词have的用法
文章来源: 文章作者: 发布时间:2007-01-20 08:19 字体: [ ]  进入论坛
(单词翻译:双击或拖选)
1)have +过去分词,构成完成时态,例如:
  He has left for London. 他已去了伦敦。
  By the end of last month, they had1 finished2 half of their work. 
  上月未为止,他们已经完成工作的一半。

2)have + been +现在分词,构成完成进行时,例如:
  I have been studying English for ten years.
  我一直在学英语,已达十年之久。

3)have+been +过去分词,构成完成式被动语态,例如:
  English has been taught3 in China for many years.
  中国教英语已经多年。



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1 had FeBxb     
vbl.have的过去式和过去分词;conj.有
参考例句:
  • I just had a good idea!我有个好主意!
  • The boy had a small branch of a tree in his hand.这个男孩手上拿一条小树枝。
2 finished otFzWn     
adj.完成的,精湛的;v.动词finish的过去式和过去分词
参考例句:
  • We finished up everything there was on the table. 我们把桌上的东西全吃完了。
  • We can certainly have the job finished on time.我们肯定能按时完成任务。
3 taught Sq2wK     
v.teach的过去式过去分词
参考例句:
  • Children must be taught to be careful of traffic.必须教育孩子要当心车辆。
  • Miss Brown taught my daughter last year.去年是布朗小姐教我女儿的。
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