Ответ:

1. Have been

2. Have owned

3. Have had

4. Have seen

5. Has checked

6. Has tasted

7. Has bought

8. Has broken

9. Have had

10. Have known

11. Has worked

12. Has been

13. Have waited

14. Has been

15. Have built

16. Have prepared

17. Have eaten

18. Has drunk

19. Has wasted

20. Have been

Объяснение: