Tenses 9 1. when i (look) out of the window, i (see) john. 2. you ever (play) the piano since you left school? 3. i (not see) him for two days. 4. when he (try) to open the door, he (drop) his key. 5. they (live) in this house since 1987. 6. my father (wash) his car while my mother and i (prepare) dinner. 7. you (meet) her yesterday? 8. mary (be) in london for three days. 9. the headmaster (enter) the classroom when they (write) their exams. 10. he (buy) a new car last week. 11. i think that they (arrive) tomorrow morning. 12. last wednesday they (play) chess after they (do) their homework.

1. When I  was looking out of the window, I  saw John.

2.  Have you ever played the piano since you left school?

3. I  haven't seen him for two days.

4. When he  was trying to open the door, he dropped his key.

5. They have been living in this house since 1987.

6. My father  was washing his car while my mother and I  were preparing dinner.

7.  Did you  meet her yesterday?

8. Mary  has been in London for three days.

9. The headmaster  entered the classroom when they  were writing their exams.

10. He  bought a new car last week.

11. I think that they  will arrive tomorrow morning.

12. Last Wednesday they  played chess after they  had done their homework.