Выписала только предложения, где нужно было изменить время.

1. He is living with his married daughter. He usually lives with her for six months every year.

2. He works at nights and sleeps in the daytime. it is noon now, and he is still sleeping.

3. I first met George a month ago, and I have met him several times since then.

4. I usually go to bed before midnight.

5. We are in September now, and we are doing a lot of work this year, we did a lot last year also.

6. He is doing crossword in the newspaper. He does it every day.

7. He wants to buy a car, bu first he must learn how to drive, so he is taking driving lessons.

8. I wrote to my parents a fortnight ago, but I haven't had a reply, so I have just written again.

9. He often works until midnight, It is 11 p.m.now and he is still working.

10. It is 3 p.m, and he hasn't eaten anything today, but he ate a good dinner last night.

11. No, she is still dressing .

12. I read this book several times, I first read it in 1980

13. He often reads detective stories; he is reading a very good one now.

14. She hasn't had a holiday since 1986, but she had a very long holiday in 1985.

15. They talk about literature when they see each other.