4. Complete the sentences. Use must have or might (not) have and the verbs in brackets.

1. I…………….. the wrong book. Is this the one you wanted? (buy)

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

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

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

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

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

7. That sounds awful! You ………….. terrified! (be)

5. Circle the correct answer.

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

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

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

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

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

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

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

6. Complete the sentences. Use can, could or will be able to.

1. Joe …………… beat me at chess when he was only eight.

2. She’s only four, but she ……………….. play the piano.

3. In the future, people like us ……………… travel to other planets!

4. Don’t worry. You ………………… hire a racket at the sports centre.

5. I ……………….. do karate when I was younger, but I’ve forgotten it now.

6. After my exams, I …………………… visit them more often.

7. Luke ……………….. speak Italian really well when he lived in Milan.

7. Cross out one of the options if it is incorrect.

Becky worked in a group on her Business Studies course last term. Here she describes what they did.

1. Joe could / managed to think of three different products for our group project in about fifteen minutes!

2. Lisa could / was able to write very well when we were at school, but the report she wrote for our project wasn’t very good.

3. She could / was able to express herself really well then, but she can’t write very well now.

4. I couldn’t / didn’t manage to find any useful information on the Internet.

5. But I could / managed to draw some pictures for our presentation.

6. We could / were able to prepare a good presentation for the end of term.

7. We couldn’t / weren’t able to discuss the presentation with our tutor, though.

8. Complete the conversation. Use one word in each gap.

A: Do you want to go to the cinema at the weekend? Mark and I 1) ………. go on Saturday or Sunday.

B: No, sorry. I’m going to be too busy. I’d love to go soon, though. I’ve been really busy this term. I 2) ……….. to go to a gig a few weeks ago, but that’s all. I 3) ……………… be able to go out more next term, I hope. Have you been out a lot?

A: Not really. But I went to a play last week in London. We 4) ……………….. able to get cheap tickets for some seats near the front. We 5) ……………………. see everything!

B: That sounds great!

A: Yes, it was. You 6) get some really good seats sometimes.

B: I’d love to come with you if you go again.

A: Sure. I’ll send you the new programme next week.

B: Thanks. Will we 7)………………. able to get cheap tickets, do you think?

A: Yes, I think so. I think there are always some cheap ones.

B: Great!