情态动词用法详解

情态动词专练题
1.Put on more clothes. You be feeling cold with only a shirt on. A. can B. could C. must D. would 2. — Must I drive to his house and pick up the children? — No, ________. A. you shouldn't B. you might not C. you needn't D. you mustn't
3.You to attend the meeting, but you didn't. A. should come B. would have come C. came D. should have come
4.We didn't see Tom at the meeting yesterday. He it. A. mustn't have attended B. cannot have attended C. needn't have attended D. would have not attended 5.Tom went on foot, but he by bus. A. might go B. may go C. could have gone D. ought have gone
It's hot. Will you open the windows? Will you help me to work it out? Would you like some coffee？ 8. shall, should 表示命令, 警告, 允诺, 征求, 劝告, 建议, 惊奇。 You should hand in the exercise book. This should be no problem. 这应该没问题。 Shall we go now? Why should I meet him？ 为什么我要见他?
Must I return the book tomorrow?
After such a long walk, you must
be tired. 走了这么长的路, 你一定累了
He must be the man I am
looking for. 他一定是我要找的人。 He had to go because of
ought + to have done 句型,指过去动
作,表示一件事情该做而未做。
You ought to have been here yesterday. ought not to have done 句型,表示一 件不该做的事情却做了。
You ought not to have taken the
5. dare作情态动词, “敢”，多用在否定
或疑问句中。Dare you catch the little cat? The little girl dare not speak in public. dare 除用作情态动词外，更多的是当实 义动词使用， 用法同实义动词一样，要 考虑人称，单复数，时态等。 Do you dare to walk in the dark? He doesn't dare to tell the teacher what
情 态 动 词 的 定 义 情态动词是一种本身有一定的词义， 但不能单独情绪、态度或语气的动词，
形构成谓语。
We can be there on time tomorrow.
May I have your name?
Shall we begin now?
You must obey the school rules.
6.We
play chess than bridge. Some
of us don't know how to play bridge.
A. had better B. would better
C. would rather D. had rather
7.There is someone knocking at the door. A. Can C. Should it be Tom? B. Must D. Ought
3. must “必须；应该；一定；准是”，
表示说话人认为有必要做某事，命令、 要求别人做某事以及对事物的推测。
must 用来指一般现在时和一般将来时，
过去式可用 have to 的过去式代替。
I must finish my work today.
You mustn't work all the time.
He said he might lend us some money.
他说他可以借给我们一些钱。
may 否定式为 may not, 缩写形式是 mayn‟t。might 是may 的过去式，有两
种用法，一种表示过去式，一种表示虚
拟语气，使语气更加委婉、 客气或对
可能性的怀疑。
He told me he might be here on time. Might I borrow some money now? He might be alive. 他可能还活着。
book out of the reading-room.
7. will (would) 表决心、愿望。 would 为 will 的过去式, 可用于各人称。 I'll do my best to catch up with them. I'll never do it again, that's the last time. 我再不会做那件事情了,这是最后一次。 He said he would help me. 他说他会帮助我。 will, would用于第二人称疑问句表 示说话人向对方提出请求或询问,用 would 比 will 更婉转,客气。
I need a bike to go to school.
Do you need a dictionary?
She needs a necklace.
注意：“needn„t + have + 过去分 词” 表示过去做了没必要做的事 情。 You needn't have taken it seriously. 这件事情你不必太认真。
Can you be sure? 你有把握吗?
can 和could 只能用于现在式和过去 式两种时态，将来时态用be able to 来表 示。be able to 还表示过去具有 某种能 力并实施了。 He could help us at all. 他完全可以帮助我们。 With the teacher‟s help, I shall be able to speak English correctly. 有老师的帮助,
我将能准确地讲英语。
2. may (might) “可以”，表示说话
人同意，许可或请求对方许可。
You may take the book home.
May I come in? 我可以进来吗? May I use your dictionary? You may put on more clothes.
（2）must 和 have to 的区别: must 表示
说话人的主观思想, have to “不得不,必
须”,表示客观需要,客观条件只能如此。
You must do it now. 你必需现在就干。
(说话人认为必须现在干)
I have to go now. 我得走了。
(客观条件必须现在走)
You must be here on time next time.
but we C. should
."
B. could
A. had studied
D. could have
10.One ought for what one hasn't done. A. not to be punished B. to not be punished C. to not punished D. not be punished 11."May I pick a flower in the garden?" " ." A. No, you needn't B. Not, please C. No, you mustn't D. No, you won't
12."Could I call you by your first name?" "Yes, you ." A. will B. could C. may D. might 13.Two years ago, my husband bought me a bicycle. If you live in town, it is often faster than a car and you worry about parking. A. must not B. may not C. should not D. don't have to
情态动词数量不多，但用途广泛，
主要有下列：
can (could), may (might),
must, need, ought to, dare (dared), shall (should), will
(would) .
情 态 动 词 的 位 置
情态动词在句中放在谓语动词 之前，谓语动词前若有助动词，则 在助动词之前，疑问句中，情态动 词放在主语之前。 I can see you. Come here. He must have been away. What can I do for you? 你要什么？ How dare you treat us like that!