8. If I had the right change, we 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 were you, I wouldn't buy it

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

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

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

15. Unless you leave me alone, i will call the police

16. Should you arrive at the office earlier than I do, please turn on the air-conditioner

17. If it is snowy, the children don't go to school

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

19. Were you to take good care of it, the car wouldn't break down

 8. If I have the right change, we can 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 were you, I wouldn't buy it

12. unless they invite me, I won't come

13. If he revised all his lessons, he wouldn't fail the exam

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

15. Unless you leave me alone, i will call the police

16. should you arrive at the office earlier than I do, please turn on the air-conditioner

17. If it is snowy weather, the children don't go to school

18. Unless you tell me the truth, I won't help you

19. Were you to take good care of it, the car wouldn't break down