III. Rewrite the following sentences without changing their meaning.
1. Fred wouldn’t do that if he didn’t have your permission.
Unless....................................................................................... .
2. If you don’t leave immediately, I will call a policeman.
Unless .......................................................................................... .
3. We won’t have a holiday because we don’t have enough money.
If we........................................................................................... .
4. I don’t know the answer, so I can’t tell you.
If I.............................................................................................. .
5. If you didn’t agree with him, Charrles wouldn’t even suggest it.
Unless ..................................................................................... .
6. If you study harder, you are going to pass the exam.
Unless ..................................................................................... .
7. I wouldn’t have believed it if I hadn’t seen it with my own eyes.
Unless.................................................................................. .
8. Go to bed early or you will be tired the next morning.
If you ........................................................................................ .
9. Without the map, we would have got lost.
If it ............................................................................................ .
10. We couldn’t go for a picnic because it rained heavily.
If ............................................................................................... .
11. Jim works very hard. He has no time to spend with his family.
If ............................................................................................... .
12. We didn’t bring enough money with us, so we couldn’t buy the car.
If................................................................................................... .
13. Take an umbrella or you will be wet..
If …………………………………………………………….. .
