4. If jack hadn't helped me, I wouldn’t have been able to move the table.

5. If you drink too much coffee you can't sleep.

6. If you make me some coffee I will give you some sweets.

7. Unless you had told me about sue's hair I wouldn't have noticed her.

8. Should you see peter tell him he should be here at 8.00.

9. Unless you are careful you will cut yourself with that knife.

10. Unless I have a quiet room I won't be able to do any work.

V. Rewrite the following sentences starting with if or unless

1. If he didn't have to study for his exam he could go out.

2. If she weren't lazy she could pass the exam.

3. If he pays me tonight I will have enough money to buy a car.

4. If he didn't smoke too much he could get rid of his cough.

5. If she weren't very shy she could join the party.

6. If he took some exercises he could be so healthy.

7. If you don't study hard you won't pass the exam.

8. If you don't be impatient you won't make any mistakes.

9. If I had eaten lunch I wouldn't feel hungry now.

10. If I had enough money I would buy that book.

11. Unless you are careful you will cut yourself with that knife.

12. Unless you like this one I will bring you another.

13. Unless I have a quiet room I won't be able to do any work.

14. Unless she hurries she will be late.

15. Unless we had more rain our crops wouldn't be better.

16. Unless the flood risen higher, the crops would not be ruined.

17. Unless you sneeze he won't know that we are here.

18. Unless she did her hair differently, she would not look quite nice.

19. Unless John plays for our football team, we will lose the game.