Brackets

0 I...... might have bought...... the wrong book. Is this the one you wanted? (buy)

1 We...........................the door. I can’t remember. (not lock)

2 That party was amazing! They...........................a lot of money on it. (spend)

3 Michael’s finished his essay and he only started it last night! He...........................all night. (work)

4 He...........................your message. Why don’t you leave another one? (not get)

5 I...........................her phone number in my file. I’m not sure. (write)

6 That sounds awful! You...........................terrified! (be)

Circle the correct answer.

0 I can’t / might not have thrown away that letter. I never throw away letters.

1 They can’t / might not have gone to the zoo. I’m not sure if it was open.

2 I can’t / may not have brought my camera. I’ll go and look for it in the car.

3 There can’t / might not have been many people in town this afternoon. Everyone was watching the football match at home.

4 Sophie can’t / might not have taken these photos. I’m not sure she was at that party.

5 They can’t / might not have painted the whole flat in one day! It’s too big.

6 The cat can’t / might not have got out. All the doors and windows were shut.

Complete the conversations. Use must have, could have, might have or can’t

Have and the verbs in brackets.

A: Are you ready?

B: Um... hang on a minute. I’m just looking for my MP3 player. I don’t know where it is. Maybe it’s in my bag. No, it isn’t. Oh dear! I hope I haven’t lost it.

A: Lisa (0)...... could have borrowed...... (borrow) it. She uses it sometimes, doesn’t she?

B: Yes, but she hasn’t been at home today, so she (1)........................... (take) it.

A: Let me look in your bag. You (2)...........................(not see) it. Ah, here it is!

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A: Why didn’t Lucy come to Kate’s last night?

B: I don’t know. She (3)........................... (forget) all about it. Do you think Kate was upset?

A: She didn’t say anything, but she (4)........................... (be) very disappointed. She really wanted Lucy to come.

B: Lucy’s often ill. She (5)........................... (not be) well yesterday.

A: She (6)........................... (be) ill. Ben saw her in the afternoon. She was fine.