Помогите ,пожалуйста, вставить пропущенные слова.

Ответ:

13. would have told

14. had been able

15. hadn't seen

16. had had

17. hadn't fallen

18. would have phoned

19. wouldn't have collapsed

20. had come

21. would have arrived

22. would have told

23. hadn't passed

24. would you have stayed