三、用法
• • • • 1.can, could (1)表示能力，“能，会” Can you play basketball? (2)表示怀疑、猜测，常用于否定句和疑问 句中 • He can’t be in classroom. • （3）可以 • Can I help you?
• (4)could 是can的过去式，可以表示过去的 能力 • I could swim when I was seven years old. • (5)can开头的一般疑问句 以can和can’t回答 could开头的一般疑问句 以could和couldn’t 回答
• • 1. 2.
表示动作与状态的词 主要考点 动词分类 时态
动词种类
实义动词
系动词
情态动词
助动词
jumpdoes, can, must, did, be, may… have, has
1.---when did your uncle___in shanghai
一、情态动词
• • • • • • can, could must have to should will(would) may
二、特征
• 1.有一定词义，但不能单独作谓语，必须和行 为动词或系动词连用，构成谓语。 • 2.无人称和数的变化（have to例外：用于第三 人称单数时用has to） • He has to stay here. • 3.后面接动词原形 • She should stay at home.
A. wouldn't B. shall not C. won't D. shouldn't
7. ______ you be happy! A. May B. Can C. Must D. Would 8. Could I borrow your dictionary? Yes, of course you______. A. might B. will C. can D. should
A. won't...can't B. mustn't...may C. shouldn't, must D. can't...shouldn't
6. -Would you go out for a walk with me? -No, I ______ . My girl friend is coming.
• 注意：have to用于第三人称单数时用has to
1． May I stop my car here?
No, you_____.
A. can't B. mustn't C. needn't D. don't have to
2. Must we clean the house now? No, you _______. A. needn't B. may not C. mustn't D. can't
• • • • •
2.must (1)“必须 应该” (2)表推测“一定” (3)否定句中，mustn’t表示禁止，“不允许” Must开头的疑问句，肯定回答用must，否 定回答用needn’t（=don’t have to） “不需 要，不必”
• 3.have to • “have to+动词原形”：不得不做某事
4. You ________ return the book now. You can keep it next week if you like.
A. can't B. mustn't C. needn't D. may not 5. Johnny, you _______ play with the knife, you _______ hurt yourself.
7.-the radio___________that there will be another heavy rain in
Guangdong. _Too bad. It has rained for the whole week
A tells
B talks
C says
D speaks
8.It is nice of you to _________so much time showing me around your school A spend B cost C pay D take
---the day before yesterday A arrive B get C reach
2.As we know, some people are good at________but bad at give back
A lending B keeping C borrowing D using 3.The small child was not old enough to_________himself A have B wear C dress D put on 5. My brother and I are _____ TV. A watch B look C read D see 6.I ask Danny to________me my book, but he brough me his book A take B fetch C carry D match