2019长沙五年级英语知识点:情态动词+ have +过去分词

2018-11-19 来源: 网络整理 作者: 长晓学

  导读:小学英语对语法没有强制的要求,只要能够熟悉一些日常的简单对话,就可以了.如果想开学习兴趣,可以从新概念第一册开始学起,遇到里面的一些语法问题,再逐渐熟悉和掌握.关键是,小学的英语一定要结合具体文章,对话场景来学,千万不要只是单纯学习语法,否则会让给学生的英语学习兴趣大打折扣。本文整理了一篇小学英语语法,分享给学生进行了解并练习。

  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 accident.

  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。

  ---Linda has gone to work, but her bicycle is still here.

  ---She must have gone by bus.

  3) ought 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 experiment.

  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 was hot.

  5) would like to have done sth  本打算做某事

  I would like to have read the article, but I was very busy then.

  延伸阅读:

  2019长沙五年级英语知识点:形容词原级的用法

  2019长沙五年级英语知识点:序数词的表达法

  2019长沙五年级英语知识点:分数的表示法

  2019长沙五年级英语知识点:特殊的数字表达

  2019长沙五年级英语知识点:基数词能否加“s”

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新东方网>长沙新东方学校>少儿素质>同步学习>五年级>知识点>英语知识点>正文
2019长沙五年级英语知识点:情态动词+ have +过去分词
2018-11-19 来源: 网络整理 作者: 长晓学

  导读:小学英语对语法没有强制的要求,只要能够熟悉一些日常的简单对话,就可以了.如果想开学习兴趣,可以从新概念第一册开始学起,遇到里面的一些语法问题,再逐渐熟悉和掌握.关键是,小学的英语一定要结合具体文章,对话场景来学,千万不要只是单纯学习语法,否则会让给学生的英语学习兴趣大打折扣。本文整理了一篇小学英语语法,分享给学生进行了解并练习。

  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 accident.

  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。

  ---Linda has gone to work, but her bicycle is still here.

  ---She must have gone by bus.

  3) ought 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 experiment.

  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 was hot.

  5) would like to have done sth  本打算做某事

  I would like to have read the article, but I was very busy then.

  延伸阅读:

  2019长沙五年级英语知识点:形容词原级的用法

  2019长沙五年级英语知识点:序数词的表达法

  2019长沙五年级英语知识点:分数的表示法

  2019长沙五年级英语知识点:特殊的数字表达

  2019长沙五年级英语知识点:基数词能否加“s”

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