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 would enjoy the party.

6. If you don't tell me the whole truth, I won't help you.

7. If he took exercises, he would be healthy.

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

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

10. If you are impatient, you will make mistakes.

11. If I had eaten lunch, I woudn't feel hungry now.

12. But for the rain, we would have a better crop.

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

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

15. If he had revised all his lessons, he wouldn't have failed the exam.

16. But for her sister's money, she wouldn't have continued to study.

17. If you walk 5 minutes, you will reach the park.

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

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