情态动词初中英语知识点

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情态动词初中英语知识点   1. Shall  1)表征询意见,用于第一、第三人称疑问句。Shall I get some tea? 我给你点茶好吗?  Shall the boy wait outside? 让那男孩在外面等吗?What shall we do this evening? 我们今晚做什么?  2)表说话人的意愿,有"命令、允诺、……

情态动词初中英语知识点

  1. Shall

  1)表征询意见,用于第一、第三人称疑问句。Shall I get some tea? 我给你点茶好吗?

  Shall the boy wait outside? 让那男孩在外面等吗?What shall we do this evening? 我们今晚做什么?

  2)表说话人的意愿,有"命令、允诺、警告、决心"等意思,用于第二、第三人称陈述句。

  You shall do as I say. 按我说的做。(命令)

  You shall have my answer tomorrow. 你明天可以得到我的`答复。

  (允诺)He shall be sorry for it one day, I tell you. 有一天他会后悔的,我告诉你。

  (警告)Nothing shall stop us from carrying out the plan. 什么也不能阻止我们执行这项计划。(决心)

  2. Will

  1)表意愿,用于各种人称陈述句。I will do anything for you. 我愿为你做任何事。

  None is so blind as those who won't see. 不愿看的人眼最瞎。

  If you will read the这本书,我会把它借给你。

  2)表请求,用于疑问句。

  Will you close the window? It's a bit cold. 请你把窗户关上好吗?有点冷。

  Won't you drink some more coffee? 再来一点咖啡好吗?

  3)表示某种倾向或习惯性动作。

  Fish will die out of water. 鱼离开水就不能活。 The door won't open. 这门打不开。

  The boy will sit there hour after hour looking at the traffic go by. 那男孩常常坐在那里好几个钟点,看着车辆行人通过。

  3. Should

  1)表义务。意为"应该"(某件事宜于做),用于各种人称。

  You should be polite to your teachers. 你对老师应该有礼貌。You shouldn't waste any time. 你不应该浪费时间。

  2)表推测,意为"想必一定、照说应该、估计"等。

  The film should be very good as it is starring first-class actors. 这部新电影是一流演员主演的,估计拍得很好。They should be home by now. 照说他们现在应当已经到家了。

  4.Would

  1)表意I said I would do anything for you. 我说过我愿意为你做任何事。

  2)表委婉地提出请求、建议或看法。Would you like another glass of beer? 再来杯啤酒好吗?

  Would you mind cleaning the window? 请把窗户擦一下好吗?

  They wouldn't have anything against it. 他们不会有什么反对意见。

  3)表过去反复发生的动作或过去的一种倾向。Every time she was in trouble, she would go to him for help. 她每遇到麻烦都会向她求助。他告诉我盒子打不开了。

  5. ought to

  1)表义务,意为"应该"(因责任、义务等该做),口气比should稍重。You are his father. You ought to take care of him. 你是他父亲,应当管他。You oughtn't to smoke so much. 你不应该抽这么多烟。

  2)表推测,暗含很大的可能,语气较弱。

  Han Mei ought to know his telephone number. 韩梅该知道他的电话号码。

  There's a fine sunset; it ought to be a fine day tomorrow. 今天有晚霞,明天应该是个好天。

  6. used to 表示过去的习惯动作或状态,现在不复发生或存在。疑问式和否定式有两种。

  He used to live in the countryside, but now he lives in the city.他过去住在乡下,现在住在城里。

  There used to be a building at the street corner, bn. 街道拐角处过去有座楼房,现在拆了。

  I usedn't (didn't use) to smoke. 我过去不抽烟。

  Used you (Did you use) to go to school on foot? 你过去常步行去学校吗?