12- 1 were
2 wasn't
3 Were..... wasn't
4 were
5 were
6 was
13 -1 went
2 met
3 was/were
4 skied
5 skated
6 liked
7 wanted
8 went
9 had
10 did
11 watched
15-1 Were they at school yesterday?
2 Was he in the mountains last summer?
3 Was he in the park last month?
4 Were they in Great Britain last year?
5 Were you in Moscow a week ago?