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Here are the answers to the given questions: 17. go - will spend 18. will never forget - just told 19. are preparing 20. stayed - rode - had borrowed 21. will finish 22. have you made 23. was walking - met 24. will meet - have finished 25. bought - had been 1. was, had given 2. did not know, had left, came 3. was, have not forgotten, will never forget 4. was sleeping, did not understand, said, woke, speak 5. do not eat, come 6. studied, moved, lives, visited, knows, has 7. have known 8. do not recognize 9. met, was going 10. have been studying 11. will leave, gets 12. visited, found, was 13. sold, got 14. studied, decided 15. told, need, will find, has never visited 16. will have finished, can 17. strikes, will have waited 18. had known, got 19. won't rain, leaves 20. would be telling, liked 21. intend, have found, don't have 22. thought, had done, was 23. went, were playing, said, had been playing 24. have broken, broke, never broke, have broken 25. have always told, do, say 26. went, got, was, were dancing, were talking, was standing, had never met, introduced 27. is studying, is also taking, begin 28. saw, did, have you ever acted, started 29. went, had never been, took, was