III. Rewrite the following sentences.

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

2. If she wasn'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 wasn't very shy, she would enjoy the party

6. If I get a work permit, I will stay for another month

7. If he took some exercise, he wouldn't be so unhealthy

8. If I had the right change, we could get the ticket

9. If you study hard, you will pass the exam

10. If you are impatient, you will make mistakes

11. If I ate lunch, I wouldn't feel hungry now

12. If I were you, I wouldn't buy it

13. Unless they invite me, I won't come

14. If he had revised all his lessons, he would not have failed the exam. 

15. If it rains, we will stay at home.

16. If I were you, I would cut down on smoking right now

17. Unless you leave me alone, I will call the police

18. If it snows, the children don't go to school

19. Unless you tell the whole truth, I won't help you

20. If you don't take care of your car, it will break down so often.

21. If he wasn't bad-tempered, his wife wouldn't left him soon after marriage

22. If you tell lies to your boss, you will be fired at once