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英语六级语法必备之情态动词+have+过去分词

时间:2016-09-28 00:10来源:互联网 提供网友:mapleleaf   字体: [ ]
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    (单词翻译:双击或拖选)

   1) may(might) have + done sth, can (could) have + done sth 表示过去,推测过去时间里可能发生的事情。

  Philip may (might) have been hurt seriously in the car accident1.
  Philip can (could) have been hurt seriously in the car accident.
  2) must have +done sth,对过去时间里可能发生的事情的推测,语气较强,具有"肯定","谅必"的意思。< /p>
  ---Linda has gone to work, but her bicycle is still here.
  ---She must have gone by bus.
  3) ought2 to have done sth, should have done sth
  本应该做某事,而事实上并没有做。否定句表示"不该做某事而做了"。
  You ought to (should) have been more careful in this experiment3.
  He ought not to have thrown the old clothes away.(事实上已扔了。)
  ought to 在语气上比should 要强。
  4) needn‘t have done sth  本没必要做某事
  I dressed very warmly for the trip, but I needn‘t have done so. The weather was4 hot.
  5) would5 like to have done sth  本打算做某事
  I would like to have read the article6, but I was very busy then.

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1 accident eJByw     
n.事故,意外的事
参考例句:
  • He had a traffic accident.他出了交通事故。
  • An accident was happened yesterday.昨天发生了一起事故。
2 ought XJKx4     
v.aux.应该,大概;n.责任
参考例句:
  • Ought I to hand in the homework today?我应当在今天交上作业吗?
  • They ought to be here by now.他们这个时候该到了。
3 experiment gmox3     
n.实验,试验,尝试;v.实验,尝试
参考例句:
  • We decided to begin the experiment in the evening.我们决定晚上开始那个实验。
  • Why did he do that experiment once again?为什么他再次做那个实验?
4 was bglwv     
v.(is,am的过去式)是,在
参考例句:
  • He said he was right.他说他是正确的。
  • He was cold and hungry.他又冷又饿。
5 would 8fPwB     
aux.will的过去式;愿,要;常常;大概;将要,会
参考例句:
  • Why would you say that?为什么你会这么说?
  • Would you please help me?你能帮帮我吗?
6 article Zvrz1     
n.文章,物品,条款;冠词
参考例句:
  • The article is very important.这篇文章很重要。
  • Can you translate this article for me?你能替我翻译这篇文章吗?
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TAG标签:   英语六级
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