1. 必修 3 Unit 2 马林霞

2. Grammar Modal verbs 情态动词 (II) Unit2 Healthy eating

3. 1. 作为情态动词用，常用在否定句和疑问句中。 Dare (need) +S +V S + daren’t (needn’t) +V I daren’t walk through the forest at night. Dare you walk through the forest at night? You needn’t return the book now. Need he go yesterday? 可兼做行为动词的情态动词： need 、 dare

4. 2. 作实义动词用，常用在肯定句中, 有人称、 时态、和数的变化 He needs to go there himself. He has grown up,we don’t need to worry about him. 3.Sth (sb) need( want, request)+ doing/ to be done The house needs cleaning/ to be cleaned The boy needs sending to the hospital at once.

5. Our color TV set is still good enough. You needn’t have bought a new one. 4.needn’t have done 表示原本不必 要做的事情却已经做了的情况, 意为 “ 本不必要 …” Your home is not far from your school,so you needn’t have left in such a hurry then.

6. 5. 注意对 need 问句的回答 : --Need I finish the work today? --Yes, ________________. No, ________________. you must you needn’t you don’t have to --Must we do it now? --No, you __________. needn’t (don’t have to)

7. 1. 判断正误 : How dare you say such a thing? How dare you to say such a thing? He daren’t to speak English before such a crowd, did he? He daren’t speak English before such a crowd, dare he?

8. Nobody need to be afraid of catching the disease. Nobody need be afraid of catching the disease. These dishes need be cleaned carefully. These dishes need to be cleaned carefully. These dishes need cleaning carefully.

9. 1.There was a lot of fun at yesterday’s party. You____ come, but why didn’t you? A. must have B. should C. need have D. ought to have D 2.I wonder how he____that to the teacher. A. dare to say B. dare saying C.not dare say D.dared say D 3.Chinese must have the largest number of speakers, ____. A.mustn’t they B. haven’t they C. don’t they D. didn’t they C 4.As it turned out to be a small house party, we ____ so formally. A needn’t dress B. didn’t have to dress up C. Might not have dressed up D. needn’t have dressed up D

10. 情态动词专练 1. Shall I tell Tom about it? No, you ________. I’ve told him already. A. needn’t B. wouldn’t C. mustn’t D. shouldn’t 2. John, you _____ play with fire in the forest, you ________ have them burnt out. A. mustn’t; may B. can’t; may C. may not; must D. mustn’t; should 3. You ________ return the book now, you can keep it until next week if you like. A. can’t B. mustn’t C. needn’t D. may not 4. Why so silent in the room. He ________ asleep now. A. must be B. must have been C. should be D. should have been 5. The flower is dying. I ________ it more water. A. should have given B. ought to give C. should be given D. ought have given 6. The gate looks so old, it ________ to be painted again. A. need B. needs C. oughts D. want

11. 7. As he had heart attack, he was told that he ________ continue the work. A. needn’t B. may not C. mustn’t D. can’t 8. “That must be a mistake.” “No, it ________ be a mistake.” A. must not B. needn’t C. can’t D. wouldn’t 9. Bikes ________ be parked here and there. A. mustn’t B. wouldn’t C. needn’t D. daren’t 10. The composition ________ any more. A. need not to be corrected B. doesn’t need be corrected C. need not correct D. doesn’t need to be corrected

12. 11. You ________ tell anybody else about it; this is a secret between us. A. don’t B. needn’t C. mustn’t D. won’t 12. Must I get through the business in one evening? No, you ________. A. mustn’t B. haven’t C. needn’t to D. don’t have to 13. She ________ have stopped her work halfway. A. ought to not B. ought not to C. not ought to D. doesn’t ought to 14. ________ I water the trees on Tuesday? No, you needn’t. A. Can B. Must C. May D. Shall 15. We ought to help each other in our work, ________? A. can’t we B. should we C. shouldn’t we D. ought to we

13. Thank you!