4.Rephrase the sentences using unless. Example: If we don't leave now, we'll miss the start of the film. -Unless we leave now, we'll miss the start of the film.
1 I won't go to school tomorrow if I don't feel better.
2I can't write to you if you don't give me your address.
3 If you don't wear your coat, you'll be cold.
4 I'll phone you, if you don't phone me first.
5 He won't get the letter if you don't post it.
6 If you don't sleep, you'll feel tired.
7 I'll come, if you don't call me.

11. Our chief managerpeople (does not trust).

12. ..Do...you oftenyour new camera? (use)

13. Why..does...your brother always to everybody? (lie)

14. Who usually this suit? (wears)

15. The day before yesterday my friends for London (left)

16. Who this car last year? (drove)

17. Who for lunch last week? (paid)

18. This submarine in September 2000 (sank)

19. My grandmother this dress when she was young (wore)

20. My sister very late last Sunday (woke up).

21. Two years ago such armchairs less than now (cost).

22. Who your certificate yesterday? (stole)

23. Who these awful curtains? (bought)

24. Who of your friends ill yesterday? (fell)

25. Tomorrow he better (will feel).

26. I hope that this play you (will impress).

27. Next time wethis man (will believe).

28. If you a warm hat, youcold (do not put on, will catch)

29. Where .will you next summer? (travel).

P.C
1. I am watching TV at the moment.
2. My friends are playing football outside.
3. She is reading a book now.
4. We are doing homework at the moment.
5. Is she reading a book now?
6. Are they playing football outside?
7. Are we doing homework at the moment?
8. We aren't doing homework, we are playing computer games.
9. They aren't playing football, they are playing tennis.
10. She isn't reading a book now, she is reading comics.
P.P
1. We have finished work this week.
2. I have just cut my finger.
3. She has already phoned her cousin.
4. They haven’t done the dishes yet.
5. He hasn’t had breakfast today.
6. I have never been to Thailand.
7. Have you ever been to Brazil?
8. Has the letter been sent yet?
9. Have they done the dishes?
10. Has she phoned her cousin?