.1 At this time yesterday we (play) __were playing____ tennis in the schoolyard.

2. At 7:00 pm yesterday i (watch) ___was watching ___ TV.

3. Yesterday while my father (watch) __was watching___ TV, my mother (read) was reading the newspaper, my sister (do) __was doing____ her homework and I (play) ___was playing_____ chess with my friend.

4. What were you doing when I phoned you? I (have) __was having_____ a bath.

5. She (do) ____was doing______ her homework at the time yesterday.

6. Mary (water) ____was watering____ the flowers at 3:00 p.m yesterday.

7. They (visit) __were visiting____ the zoo at ten o'clock yesterday.

8. Peter and I (do) ___were doing____ the exercise at this time last night.

9. Last night my father (feed) ___was feeding__ the pigeons at 7:00.

10. At this time last year we (learn) __were learning_____ English in London.