2. 1. could/might/can/may/must + be/V 1. could/might/can/may/must + be/V 2. could/might/may/must + have been/V-en 2. could/might/may/must + have been/V-en

3. could/might/can/may/must + be/V Sentence Patterns 1 Examples: 1. Since Robert Frost lived in the country much of his life, he could be a nature lover. 2. Bread might be in aisle 2 and milk in aisle 10. 3. Sometimes the same gesture can mean different things in different countries.

4. could/might/can/may/must + be/V Sentence Patterns 1 4. Animals may help people learn about earthquakes. 5. And of course there must be something wrong/In wanting to silence any song.

5. Now it’s your TURN! Exercise

6. Exercise A Choose a proper word to complete each of the following sentences. The first one has been done for you. 1. In this dog-eat-dog world, you (must, may, couldn’t) win or you may lose; no one can always win. 2. I (can’t, might not, mustn’t) be able to see you tonight. I am not sure. I (might, can, couldn’t) have to stay home and work on my paper.

7. Exercise A 3. Look at that private jet he owns. He (could, might, must) be rich. It is said that he even owns an island! Probably he (must, may, could) also have a yacht. 4. As a newcomer, you (can ’ t, may not, might) understand this. Let me tell you: don ’ t ever talk back to your boss. You (can ’ t, must, can) lose your job for hat.

8. Exercise A 5. Jack ’ s cell phone is off. He (must, may, could) be in the movie theater right now. I am not sure about that. But I am very sure the man calling you (can ’ t, couldn ’ t, might not) be him.

9. Sue and Nina are taking a walk. They see a girl across the street. Complete each of the following blanks by using the proper information in the box together with the above pattern. The first blank has been done for you. Exercise B

10. S: Hey, Jennifer, over here! N: Wait. 1 That can’t be her. ( that/be/her ) Jennifer has long hair. That girl’s hair is short. S: I am sure 2 ( it/be /Jennifer ). I heard she just had her hair cut. N: You know, 3 ( you/be/right ). I saw Jennifer go into the hairdresser’s the other day. it must be Jennifer you may be right

11. S: See the way she walks? 4 ( who else/it/be ) if not Jennifer ? Hey, Jennifer! N: You should shout louder, or 5 ( she /be able to/hear ) Wait a minute. She’s turning around…but that’s not Jennifer! Oh, come on. It’s a guy! who else could it be she might/may not be able to hear you BACK

12. could/might/may/must + have been/V-en Sentence Patterns 2 Examples: 1. The fields are wet. It might have rained heavily last night. 2. All the red apples in the trees are gone. The farmer may have picked them.

13. could/might/may/must + have been/V-en Sentence Patterns 2 3. The fallen leaves rustled as the farmer put them in the bag, and the farmer. had fun doing all that. He must have enjoyed making all that noise. 4. The farmer said he didn’t have fun doing all that. He could have told a lie.

14. Now it’s your TURN! Exercise

15. Exercise A Use the given words and the above pattern to complete the following dialogues. first one has been done for you. 1. A: Some students are talking their heads off about their trip to Kenting last week. B: They look very excited. They must have had a good time (have a good time).

16. 2. A: I didn ’ t see Kent in the house. Do you know where he is? B: I ’ m not sure. He _________________ ________ (leave) already. could/might/may have left 3. A: What ’ s wrong with your pen? It won ’ t write. B: Well, it ________________________ (run out of ink). must have run out of ink

17. 4. A: Was Larry here yesterday? I saw his book over there. B: Maybe. He ______________________ (be) here while we were out. 5. A: Although she is 40 years old, Mrs. Chung still looks pretty. B: I bet __________________________ (be/a beauty) when she was young. must/could/might have been she must have been a beauty

18. Exercise B Match the items on the left with those on the right to make meaningful sentences. The first one has been done for you.

19. BACK 1. That man looks tired; … 2. Nancy was absent yesterday; … 3. Grandmother has poor eyesight; … 4. The ground was so wet this morning; … 5. We don’t know which country Jerry went to; … a. …she must have been sick. b. …it must have rained last night. c. …he must have been to England. d. …he might have worked for long. e. …he could have gone to England. f. …she couldn’t have seen us last night. 1. d 2. _____ 3. _____ 4. _____ 5. _____ afbe