1. I have (been breaking) your pen. I am very sorry.
2. ‘What’s the matter?’ ‘I have (been reading) in my room for hours, and I have got a headache.’
3. I am very tired! I have (been working) all day, but I have not (finished/been finishing) yet.
4. I have (been smoking) since I was sixteen.
5. I have (smoked) too many cigarettes today.
6. ‘Why are you out of breath?’ ‘I have (been running).’
7. I have (lost) my note-book. Have you (seen) it anywhere?
8. Someone has (eaten) my sweets. They are nearly all gone.
9. I have (been waiting) for you for ages! Where have you been?
10. How many exercises have you (done) today?
11. This is the best book I have ever (read).
12. How long have you (known) Jane?
13. How long have you (been learning) to drive?
14. I don’t know what Tom and Jack are doing. They have (been arguing) all day.
15. You are so dirty! What have you (been doing)?
16. I have (been painting) the living room for a week. It’ll be finished soon.
17. I have (painted) the living room. I finished it last night.
18. ‘Why is your hair wet?’ ‘ I have (been swimming).’
19. I have (been shopping) all morning, but I have not (bought) anything.
20. The streets are all wet. It has (been raining) all day long.