1. harry … (ride) his bicycle while mary was skateboarding. 2. i … (not read) when you came in. 3. she … (cook) yesterday. 4. she … (write) a letter when the lights went out. 5. steve … (get dressed), had breakfast and then went to work. 6. when i was a teenager i … (play) in the school basketball team. 7. what he … (do) when i came? 8. david … (ride) his bicycle while kevin was skateboarding. 9. dad … (do) the washing up before mum came home. 10. pete … (water) flowers in the garden yesterday. 11. when my sister … (come in), i … (do) my lessons. 12. we … (go) on holiday in july. 13. the policeman asked, “what … (you/do) at the time of the robbery? ” 14. when i was young, i … (play) in the school football team. 15. she … (cook) at three o'clock yesterday
1 was riding
2 wasn't reading
3 cooked
4 was writing
5 got dressed
6 played
7 was he doing
8 was riding
9 had done
10 watered
11 came in, was doing
12 went
13 were you doing
14 played
15 was cooking