Ответ:

I was reading a book when I heard the phone ring. (Past Cont.)

9. After the doctor examined (to examine) the patient, he talked to his relatives. (Past Simple)

10. When we came to the bus stop (Past Simple), the bus had already left. (Past Perf.)

11. He was watching a TV-visor when his friend came. (Past Cont.)

12. The postman usually arrives at nine o'clock in the morning. (Pr.Simple). It's already half past nine, and he still hasn't come. (Pr.Perfect)

13. I watch TV every night. (Pr.Simple)

14. Employees (the clerks) finish work at six o'clock in the evening. (Pr.Simple)

15. Didn't she know about it? (Past Simple)

16. Haven't you seen this movie? (Pr.Perfect)

17. She hasn't taken her little son to the theater yet. (Pr.Perfect)

18. He usually listens very attentively to the teacher (Pr.Simple), but now he is not listening, he has a headache. (Pr.Cont.)

19. I haven't played football since last year. (Рresent Perfect)

20. Little girl often helps his mother. (Present Simple)

21. Author {author) still (still) a young man. He wrote his first book in 1989. (Past Simple)

22. It's 8 o'clock in the morning and the child has already woken up. (Present Perfect). He woke up earlier yesterday morning. (Past Simple)

23. He played football at school. (Past Simple)