3. Unit 5 It must belong to Carla. Section A

4. Look and guess. Who is she? She can’t be Guo Jingjing. She might/could be Wang Nan. She must be Zhang Yining. ? Oh, yes. She is Zhang Yining. can’t 在此表示猜测， 译为 “ 不可能 ” ，一定 不是， 。 might/could 在此表示猜 测，译为 “ 也许，可 能 ” ， 。 must 在此表示猜测， 译为 “ 肯定，极可能 ” ， 。

5. Li Xing A: Whose book is this? B: …… 我们通常用以下的情态动词 表示推测： must, might, could, can’t, 得到结论 1, must 表示一定，肯定（ 100% 的可能性） 2, might/ could 表示有可能, 也许（ 20%~80% 的可能性） 3, can’t 表示不可能，一定不（可能性几乎为零）

6. Guessing games You can use must /could/might/can’t to guess

7. Listen and find out Challenge 2 （听力 挑战） （测测你的听力．是否合适作侦探） Use: It might/could/must be …

8. What does she do? She ______ be a/an______

9. What does she do? She ______

10. What does he do? He could/might be a/an______

11. ? He can’t be… might/could be … must be… Who is he? Look and guess. Using “can’t, might (could), must.

12. 1a : Look at the picture. Write the things you see in the correct columns in the chart. ClothingFun things Kitchen things hat jacket T-shirt volleyball magazine toy car book plate cups CD

13. 1b PersonThingReason Jane’s little brother Mary Carla Deng Wen Grace volleyball toy car magazine book CD Hemingway is her favorite author. She loves volleyball. He was the only little kid at the picnic. She always listens to classical music. He loves cats.

14. 2.A: Whose book is this? B: It must be Mary’s. Because Hemingway is her favorite author. 2.A: Whose book is this? B: It must be Mary’s. Because Hemingway is her favorite author. （ 利用 1b 中的信息两人一组练习对话 ） 1.A: Whose volleyball is this? B: It must belong to Carla. She loves volleyball. It must belong to Mary It must be Carla’s

15. 属于某人 = 是某人的 belong to sb=be sb’s The bike belongs to me.= The bike is mine The book belongs to Xie Ning.= The book is Xie Ning’s.

16. Pairwork: Look at the picture above and make conversations using the information in the chart in 1b. A: Whose … is this ? B: It …

17. Whose skirt is this? Mike It ______belong to Mike. It ______ be Jane’s. Jane 1 、 Exercise: 用 must, could, might, can’t 填空。

18. 1.When traffic lights are red, we ___ stop and wait. A. may B. can C. must (2007 南京 ) 2.---Look at the boy running on the playground. Is it Davis? ----It ___be him. I saw him go to the teacher’s office just now. A. must B. can’t C. might (2007 湖北黄岗 ) 3.Even the top students in our class didn’t work out the problem. So it ___be very difficult. A. need B. must C. can’t (2007 山东滨州） 走向中考 C A B

19. 1.The dictionary _________belong to Ming. It was on her desk. 2.Lucy ______ be in school. She was ill in hospital today. 3.The basketball ___________ be John’s or Tony’s. They both like to play basketball, don’t they? 4.The French book ______ be Li Ying’s. She’s the only one who’s studying French. 5.I can’t find my pen. It ___________________ be in your pencil-box. 6.The photo ______ belong to Lily. Because she is in the photo. 7.The red bike ______ be Mei’s. Her bike is blue. 8.This ticket _____________ be my aunt’s or uncle’s. They’re both going to the concert. Homework: Fill in the blanks with “must, might, could, can’t”. must can’t might must could /might must can’t could