小学语法经典总结--- 情态动词
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语法讲与练8 情态动词
一、情态动词的定义：情态动词有词义，但它不能单独作谓语，它必须和其他动词一起构成谓语。情态动词没有人称和数的变化；它的后面必须跟动词原形。
三、情态动词的用法及主要句型：
1、Can I help you? ——Yes, please. / No, thanks.
2、Can + 主语 + 动词原形? Yes, ～ can. No, ～ can’t.
3、Can I borrow your book?----Yes,of course.
4、Can I write on the book? ------No, you can’t\mustn’t.
5、Could \Can you help me?---- Yes,of course.\Certainly.\ Sure.
6、Could \Can you tell me the way to the Zoo?
7、May I come in ?----- Come in, please.
8、May I sit here?----- Yes, please.\Sorry, please don’t.
9、May I have some Coke?---- Yes, of course.
10、May/ Could / Can I speak to Tom? -----Speaking. Who’s calling?
11、should 、shouldn’t 表示劝告：
1) He should get up early.
2) She shouldn’t play computer game too much.
12、Should +主语 +动词原形? Yes, ～ should.\ No, ～ shouldn’t.
13、表示建议“你愿意…吗”
Would you like to go shopping with me?
-----Yes, I’d love to. /I’d love to. But I’m busy now.
14、就餐用语Would you like something to eat\drink? ----Yes, I’d like…
15、shall用于第一人称(I, we), 可以表示“将”和表示建议“……好吗?”
1) Where shall we have dinner?
2) Shall we go fishing? -----All right. \OK. \Good idea.
16、Must + 主语 + 动词原形? ---Yes,～ must.\No, ～ needn’t.
相关练习
(一) 用适当的情态动词填空。
1. Must I borrow the book with my ID card? No, you ________.
2. ________ I use your car? Yes, you ________.
3. ________ I go home now? No, you _________ stay here.
4.My mother is ill. I _________ stay at home and look after her.
5.________ you like some tea?
6. You ________ take more exercise.
7. ________ you tell me how to get to the Qingyun Park?
8. The clock ________ tell us the time.
9. ________ you like to go fishing with me?
10. ________ we play football this afternoon?
(二)按要求改写句子。
1.I can run fast.
I ________ ________ fast. (否定句)
2.You must return the book now.（一般疑问句）
________ I the book now? No, you ________.
3.He can play basketball well.（一般疑问句）
_______ he ______ basketball well?
4.They must take the books out of the room.（否定句）
They ________ ________ the books out of the room.
5.He should get up early.(否定句)
He _______ get up late.
(三) 单项选择。
（）1.you like some milk ? A . Would B. Could C . Can
（）2. We pick the flower in the park. A.can’t B. don't C.mustn’t ( ) 3.W e should more trees, and we shouldn’t cut any trees.
A. plant
B. planting
C. plants
( ) 4.May I have some coffee?
A.Yes,you have.
B.Yes,you can.
C.Yes,certainly. ( ) 5.Shall we visit the factory?
A.Yes,we do.
B.Yes, we shall. B.All right.
( ) 6.Would you like something to eat?
A.Yes,we would.
B.Yes, I’d like some cakes.
C.Yes, of course. ( ) 7.What can I do for you?
A.Yes,you can.
B.No,I can do it.
C. Yes.I’d like some oranges.