1. Developing Skills

2. 1.We _______eat or drink in class. 2.We _______ be late for class. 3.We ____ walk on the grass in the school garden. 4. We ____ speak English in our English classes. 5. We _______ draw pictures on our desks. mustn’t 6.We _____ clean the blackboard before each class. mustn’t can’t mustn’t must

3. 61222 light / laIt/ return / rI5t\:n / magazine / 7mAgE5 zi:n/ afraid / E5freI d/ near / nIE/ meal / mi:l/ empty / 5emptI/ waste/ weIst/

4. Model : A: Must I clean the window now? B: No, you needn’t. You may (can) clean it after class. A: Thank you. clean the window now clean it after class

5. A: Must I …? B: No, you... You can (may)... A: Thank you. return the books this week keep them for two weeks A: Must …? B: No,... can (may)... A: Thank you.

6. A: Must I …? B: No, you... You can (may)... A: Thank you. hand in my homework now hand it in tomorrow A: Must …? B: No,... can (may)... A: Thank you. …

7. Conclusion: What kind of verb form( 动词形式 ) follows can, may and must? Do we need to change the form of can, may and must after he or she? What’s the negative form ( 否定形式 ) of can and may? Which is the correct answer to the question “Must I …?” A. No, you mustn’t. B. No, you needn’t.

8. Classroom Building Computer Room Cafeteria Library Shanghai No 1 Junior High School

9. Work in groups of five. Choose one place and write more rules for each place.

10. Homework: **Choose one place in our school (playground, computer room, singing room…), write some rules for it.