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7. Make suggestions. Use could.

Model: Where shall we go for our holidays? (Scotland) We could go to Scotland.

  1. What shall we have for dinner tonight? (fish) __________.

  2. When shall we go and see Tom? (on Friday) __________.

  3. What shall I give Ann for her birthday? (a book) __________.

8. Complete these sentences using must (have) ... Or can't (have).

Model: “Is he British?” “Yes, he must be British.”

“Did she see you?” “No, she can't have seen me.”

  1. “Are they married?” “Yes, they must __________.”

  2. “Is he serious?” “No, he can't __________.”

  3. “Were they in a hurry?” “Yes, they __________.”

  4. “Does Ann know a lot of people?” “Yes, she __________.”

  5. “Did Tom know about the plan?” “Yes, he __________.”

  6. “Do they have much money?” “No, they __________.”

  7. “Was he driving carefully?” “No, he __________.”

  8. “Are they waiting for somebody?” “Yes, they__________.”

9. Complete these sentences with must or can't + a suitable verb.

Model: You've been travelling all day. You must be very tired.

1. Brian has got three houses, six cars, a yacht and a helicopter. He ... a lot of money.

2. (The doorbell rings.) I wonder who that is. It ... Jim. He said he would come after 7 o'clock and it's only 6.30 now.

3. I wonder why Tom isn't at work today. I suppose he ... ill.

  1. John seems to know a Jot about history. He ... a lot of books.

  2. Jack's putting on his hat and coat. He ... out.

10. Make sentences with may or might.

The first four sentences are present.

Model: “Do you know if Jack is in his office?” “I’m not sure. He may be in his office.”

“Do you know if Ann likes ice-cream?” “I’m not sure. She might like ice-cream.”

  1. “Do you know if they are married?” “I'm not sure. They_________.”

  2. “Do you know if she wants to go?” “I'm not sure_________.”

  3. “Do you know if he's telling the truth?” “I'm_________.”

  4. “Do you know if he has a car?” “I_________.”

The next three sentences are past.

Model: “Do you know if he was serious?” “I’m not sure. He might have been serious.”

“Do you know if they were looking?” “I’m not sure. They may have been looking.”

  1. “Do you know if she was ill?” “I'm not sure. She_________.”

  2. “Do you know if she told anybody?” “I _________.”

  3. “Do you know if they were listening?” “_________.”

And now you have to use may not or might not.

Model: “Is Jack in his office?” “I’m not sure. He might not be in his office.”

  1. “Does she want to go?” “_________.”

  2. “Is he telling the truth?” “_________.”

10. “Are they ready?” “_________.”

11. Write sentences to explain each situation. Use the words in brackets to make your sentences.

Model: I can't find George anywhere. I wonder where he is.

a) (he might/go/shopping) He might have gone shopping.

b) (he could/play/tennis) He could be playing tennis.

1. Look! Sue's going out. I wonder where she's going.

  1. (she may/go/to the theatre)___________________.

  2. (she could/go/to a party) ___________________.

2. Why didn't Tom answer the doorbell? I'm sure he was in the house at the time.

  1. (he may/go/to bed early) ___________________.

  2. (he might not/hear/the bell) ___________________.

  3. (he could/be/in the bath) ___________________.

3. How do you think the fire started?

  1. (someone may/drop/a cigarette) ___________________.

  2. (it could/be/an electrical fault) ___________________.

4. I wonder where Tom was going when you saw him.

  1. (he might/go/to work) ___________________.

  2. (he may/go/shopping) ___________________.

5. George didn't come to the party. I wonder why not.

  1. (he might/have/to go somewhere else) ___________________.

  2. (he may not/know/about it) ___________________.