11. What were you doing at 6 o'clock yesterday?
12. Was John driving to the airport at 11 o'clock?
13. Were Jane and Kate working between one and two o'clock yesterday?
14. Why were they having lunch at 4 p.m.?
15. Why was he carrying a suitcase?
16. Were you reading when the lights went out?
17. Was Sally taking a photo when I phoned?
18. What were you thinking about?
19. Where were you standing when the trouble started?
20. Was Nick talking to the girls when you arrived at the party?