1. He can’t go out because he has to study for his exam.
=> If…………………………………………………..
2. She is lazy so she can’t pass the exam.
If…………………………………………………………
3. He will pay me tonight; I will have enough money to buy a car.
=> If…………………………………………………………….
4. He smokes too much; that’s why he can’t get rid of his cough.
=> If……………………………………………………………..
5. She is very shy, so she doesn’t enjoy the party.
=> If……………………………………………………………..
6. I will get a work permit. I will stay for another month.
=> If……………………………………………………………..
7. He doesn’t take any exercises. He is so unhealthy
=> If……………………………………………………………….
8. We can’t get the ticket because I don’t have the right change.
=> If………………………………………………………………..
9. Study hard or you won’t pass the exam.
=> If…………………………………………………………………..
10. Don’t be impatient or you will make mistakes.
=> If……………………………………………………………………..
11. I didn’t eat lunch, I feel hungry now.
=> If I…………..………………………………….
12. I only come if they invite me.
=> unless……………………………………………….
13. He didn’t revise all his lessons, he failed the exam.
=> If he………………………………………………………..
14. The park is over there, only 5 minutes’ walk.
=> If you walk……………………………………………….
15. Leave me alone or I’ll call the police.
=>Unless……………………………………………………………………………………
16. If you arrive at the office earlier than I do, please turn on the air-conditioner.
=> Should……………………………………………………………………………….
17. The children don’t go to school in the snowy weather.
=> If it ………………………………………………………………………………
18. He died so young; otherwise, he would be a famous musician by now.
=>Had ………………………………………………………………………………
19. You must tell me the whole truth or I won’t help you.
=> Unless………………………………………………………………………………
20. The car breaks down so often because you don’t take good care of it.
=> Were I………………………………………………………………………………
21. He is very bad-tempered, that’s why his wife left him soon after marriage.
=> If he………………………………………………………………………………
22. Don’t tell lies to your boss or you’ll be fired at once.
=> If……………………………………………………………………………
23. She got married at such an early age: otherwise, she would be at university now.
=> Had ………………………………………………………………………….