Bai 2:
1. have - eaten
2. hasn't come
3. have worked
4. have - been
5. haven't done
6. have just seen - has already done
7. have jsut decided
8. has been
9. hasn't had
10. hasn't played
11. haven' had
12. haven't seen
13. have jsut realised
14. has eaten
15. has lost
16. has finished
17. have met
18. have had
19. am - have forgotten
20. have made
21. have visited
22. have worked
23. have already had
24. has changed
25. haven' heard