中考英语知识点:中考英语动词时态正确理解与使用-查字典英语网
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中考英语知识点:中考英语动词时态正确理解与使用

发布时间:2016-02-29  编辑:查字典英语网小编

  如何学好情态动词

  (Modal verbs)

  can: 从客观角度陈述人们都了解的客观事实

  ●can 表示客观能力, 与先天、后天能力无关。

  Birds can fly up into the sky easily.

  鸟儿可以轻易地飞到天上去。

  Luke can speak Chinese very fluently.

  鲁克的汉语说得很流利。

  ●can表示人人都了解的客观可能性或听话人已知的客观事实。

  If you are brave enough, all difficulties can be overcome.

  如果你不畏艰险,所有的困难都一定会克服。

  Correct ideas can be transformed into a material force that changes the world.

  正确的理念一定能够转化为改变世界的物质力量。

  I hear that you are going to Thailand. It can be dangerous to be there, I think.

  听说你要去泰国,我看到那儿去挺危险的。

  may: 表示说听双方均不确切,相当于I am not sure

  ●推测或了解可能性

  The man you are looking for may be in that room.

  May I have a talk with you?

  He may never succeed without your help.

  ●基于may自身的不确定性,常置于句首,用来表示祝愿

  May success attend you! 祝你成功!

  (May) God bless you! 愿上帝保佑你!

  ●You can/may come at any time. (口语中can和may从不同含义角度均可使用。)

  ought to: 从客观角度表示安排、责任或义务

  ●You ought to do the cleaning after school BECause you are on duty.

  你放学后应该做卫生,因为今天你值日。

  You ought not to write so carelessly.

  (It is the students responsibility.学生应该做好的事)

  Everybody should /ought to help each other in the study, shouldnt / oughtnt they?

  (在反义疑问句中should和ought to有时可以前后交叉使用,起到主客观互补的作用)

  

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