七年级英语情态动词讲解及练习
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。 二、情态动词的种类： 情态动词 can could may must shall should need would 词义 能够，会 能够，会 可以 必须 将，要 应该 需要 将会，愿 否定形式 can’t couldn’t ／ mustn’t ／ shouldn’t needn’t wouldn’t 词义 不能，不会 不能，不会 ／ 不允许，不能 ／ 不应该 不必 不会，不愿
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. (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?
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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 return 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. C.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. 一．翻译下列单词。
不会______________ 不必______________应该_____________必须_________________ 将，要______________不愿_______________需要___________ 会，能_________________ 二、按照要求改写句子
1. Daniel must watch TV every evening.(改为否定句)__________________________________ 2. I can’t do my homework every day.(改为肯定句)___________________________________ 3. You’ll need your book and pen..(改为否定句)____________________________________ 4.We shall like playing computer games.(翻译句子)_________________________________ 5. She should go to school every morning.(改为否定句)________________________________ 6. He may speak English very well.(翻译句子)______________________________ 7. I needn’t take photos in the park.(改为肯定句)___________________________ 8. John may come from London.(翻译句子)_____________________________ 9. Would you like to drink coffee?(肯定回答)_________________________
10. Simon and Daniel would like going skating.(改为否定句)_____________________________ 三、翻译下列句子
妈妈不会游泳。（can’t）________________________________________________________________ 我能照顾我的奶奶（can look after）__________________________________________________ Mary不应该取笑Joe.（should’t laugh at）__________________________________
Jack必须做眼保健操（must do eye exercises）___________________________________________
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