Exercise 3:
1. When we came to the stadium, the match ______________ (already, begin).
2. Don’t worry mom. I will phone you as soon as I ______________ (arrive) Paris.
3. Mother ______________ (cook) some food in the kitchen at present.
4. Martha ______________ (watch) TV at seven o’clock last night.
5. Where your father ______________ (work) in 1985?
6. Adrian ______________ (learn) the violin now.
7. Before she watched TV, she ______________ (do) her homework.
8. He ______________ (just see) her.
9. They ______________ (see) lots of animals in the zoo yesterday.
10. I ______________ (know) Jack when we ______________ (be) students but
I ______________ (not meet) him since we ______________ (leave) school in 1998.
11. We ______________ (make) a cake at the moment.
12. We ______________ (not have) a holiday last year.
13. Jane ______________ (watch) television at the moment.
14. By the time we got there, the play ______________ (start) already.
15. They ______________ (not start) the match until the rain stops.
16. You ______________ (see) Ann last week?
17. Pay attention! The teacher ______________ (explain).
18. I ______________ (play) tennis yesterday afternoon.
19. After they ______________ (go), I sat down and rested.
20. The film ______________ (end) by the time we get there.