Present Perfect Simple - Present Perfect Progressive

Exercise 8

Put the verbs into the correct tense (Present Perfect Simple or Present Perfect Progressive).

1. I (play / not) the computer for half an hour, only for about 5 minutes.
2. Bob (drive / not) a car for eight years.
3. Carla (go / not) on holiday for three years.
4. We (run / not) for 40 minutes yet - there are still 10 minutes left.
5. They (smoke / not) for 10 days now.
6. I (eat / not) anything since two o'clock.
7. Anna (work / not) here for five years, but for seven years.
8. I (read / not) for a long time - just 10 minutes, not more.
9. You (cycle / not) for two hours. It was only about one hour.
10. Catherine (speak / not) French for 10 years, so her French isn't very good now.