2. Unit 5 It must belong to Carla

3. Period 2

4. Fill in the blanks with must, can’t, could or might.

5. 1. Whose earrings are these? They _____ be Mary’s. she wears earrings sometimes. 2. Gina ______ come to the party tonight, but I’m not sure. 3. The telephone is ringing, but nobody answers it. He ______ be at home. might can’t

6. 4. Is this Tom’s book? Yes, it _____ be his. There is his name on it. 5. You’d better take an umbrella. It ______ rain this afternoon. 6. Mary ______ be in Paris. I saw her in town only a few minutes ago. must might can’t

7. Oral practice Look at the following pictures and say some sentences with must, could, might, can’t

8. Who is he?

10. What does he/ she do?

15. What is he doing?

29. 2a Listen and write down the things in the backpack. Things in the backpack. 1. 2. 3. T-shirt Hair band Tennis ball

30. 2b 1.The person must go to our school. 2.The person _____ be a boy. 3.It _____ be Mei’s hair band. 4.The hair band _____ belong to Linda. 5.It _____ be Linda’s backpack. can’t could must might

31. 1.The notebook ___________be Ming’s. It was on her desk. 2.The homework _______be Carol’s. She wasn’t at school today. must/might can’t

32. 3. The soccer ball _______be John’ s or Tony’s. They both play soccer, don’t they? 4. The French book ________be Li Ying’s. She’s the only one who’s studying French. might must

33. 5. I can’t find my backpack. It ___________ be still at school. 6. The photo ______be Lu’s. Those are his parents. might/must must

34. 7. The red bicycle _______be Hu’s. She has a blue bicycle. 8. This ticket _______be my aunt’s or uncle’s. They’re both going to the concert. can’t might

35. If you have any idea where it might be, please call me. I think I dropped it during the concert so it might still be in the symphony hall. Dear Anna, 交响乐，曲 5 2

36. I tried to call you but your mom said you were still at your optometrist appointment (I hope your new glasses look nice!) 验光师 约会，指定 4

37. I really need it because I have a math test tomorrow. It’s crucial that I study for it because it counts 30% to the final exam. I’m really anxious because I can’t find my backpack. Thanks, Linda. 紧张；担忧 严重的；致关重要的 3 1

38. Sample conversations(4:P36) 1. — Here is a Chinese-English dictionary. It could belong to Mary. I know she has one. — I don’t think so. It can’t be Mary’s. This one is new, but hers is old.

39. 2. — Here is a flower. The owner must be a girl. — Well, it could be a boy. The flower might be a present for his teacher.