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 looked out of the window, I saw John.
2.Have  you ever played  the piano since you left school?
3. I havent 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 met  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.