2. Unit 8 It must belong to Carla

3. Whose volleyball is this? It must be Carla’s. she loves volleyball. Whose hair band is this? It could be Mei’s hair band. Or it might belong to Linda. They both have long hair. What did you see that night? I’m not sure, nut it can’t be a dog. It was bigger. I think it might be a bear or a wolf. Grammar Focus

4. It could be __________. It also might be ______________. Can you guess what it is? Three birds a beautiful face

5. Can you guess what it is? It could be _________________. It also might be ______________. a white vase two faces

6. It could be ______. It also might be ___________. Can you guess what it is? a dog two girls

7. Could A be bigger than B? In fact, A and B must be ___ ________________. Which one is bigger, A or B? A B the same size No.

8. Use “must” to show that you think something is probably true. Use “might” or “could” to show that you think something is possibly true. Use “can’t ” to show that you are almost sure something is not true.

9. 表示推测的情态动词有 must, may, could, might, can 。  must 表示说话人对事物的推测可能性 的程度非常大，意为 “ 一定；准是 ” ；表示 有把握的否定推测时用 can’t ，意为 “ 不可 能 ” 。如： 1. I can’t find my keys. I must have left them at home. 2. -- Is she Mary? -- That can’t be her. She’s in hospital.

10.  can 表示 “ 可能 ” ，常用于否定句、疑问 句中。 could 为 can 的过去式，表示推测的 语气较 can 弱。如： -- Can the man there be our math teacher? -- He may be, but I am not sure.  may 意为 “ 也许 ” 。 might 为 may 的过去式， 表示说话人对现在或将来不太确定的可能 性的推测。如： Li Ming might get here in time, but I am not sure.

11. 意思推测程度 must 一定，肯定 100% 的可能性 may might /could 有可能， 也许 20%---80% 的可能性 can’t 不可能， 不会 可能性几乎为零

12. 1. -- Whose book is this? must be -- It must be Mary’s. must belong to It must belong to Mary. might belong to 3. The hair band might belong to Linda. might be might be Linda’s. 2. -- Whose French book is this? could be -- It could be Ali’s. She studies French. can’t be 4. The T-shirt can’t be John’s. It’s much too small for him. ( 肯定 ; 一定 ) ( 可能 ) ( 不可能 )

13. 1. I didn’t hear the phone. I ___ asleep. A. must be B. must have been C. should be D. should have been 2. Mary ____ be in Paris. I saw her in town only a few minutes ago. A. mustn’t B. shouldn’t C. can’t D. may not Choose the best answer.

14. 3. Peter ____ come with us tonight, but he isn’t very sure yet. A. must B. may C. can D. will 4. I thought you ____ like something to read, so I have brought you some books. A. may B. might C. could D. must

15. 1. - Are you going to Beijing by plane? - It’s fast, but expensive. So I am not sure. I ____ take a train. A. should B. may C. must D. will 2. - Is John coming by train? - He should, but he ____ not. He likes driving his car ． A. must B. can C. may D. need 感悟中考

16. 3. - ____ I swim in that river? - No, you __. It’s dangerous to swim in it. A. Must, can’t B. Can, may not C. May, mustn’t 4. The students ____ play basketball after school every day. A. allow to B. are allowed to C. were allowed to 感悟中考

17. 1. A: Where’s Jean? B: I’m not sure. She _________ (is / might be / must be) in the laboratory. 2. A: Everyone is going to the pool after school. B: Really? It _________ (must be / can’t be / could be) hot outdoors. Choose the best way to complete each sentence using the words in the brackets. 4a might be must be

18. 3. A: That’s the phone. B: Hmm. I wonder who it ________ (must be / could be / should be). 4. A: I wonder if these are Jim’s glasses. B: They ________ (can’t be / might be / could be) his. He doesn’t wear glasses. 5. A: I hear water running in the bathroom. B: It _________ (could be / must be / can’t be) Carla. She was thinking of taking a shower. could be can’t be must be

19. Look at this picture of a room. How much can you tell about the person who lives here? Is it a boy or a girl? What are his/her hobbies? Discuss your ideas with a partner. A: It could be a girl’s room because it’s very tidy. B: I guess so. But it might be a boy’s room because the clothes look like boys’ clothes. 4c

20. Complete these responses 1. A: Many people are wearing coats. B: The weather must be________. 2. A: Sally has been coughing a lot. B: She might be_______. 3.A: This restaurant is always crowed. B: The food _____________. 4. A: Whenever I try to read this book, I feel sleepy. B: It can’t ________________. 4b be interesting cold ill must be delicious

21. Homework 1.What’s the most strange thing happened on you? 2.What would you do if something strange happened?