Ex2
1 havent played..was
2. Have you chosen.. bought
3. forgot.. didnt say
4. Have you sold.. saw.. bought
5 lost... run
6. Have Helen ever tried
7. Did you go
8. have never been
9 have travelled
10. have been
11. Have you finished
12 came.. told
13. have visited.. went.. was.. havent visited
14have you come
15. came
16 did you watch
17. have already left
18. have you known
19. met.. have known
20 happened