EXERCISE 1: Rewrite the following sentences using “Unless”

1. I won’t go to school if I don’t feel better.

2. Tony will walk to you is you question him.

3. If you don’t put on your overcoat, you’ll be cold.

4. You will fail the exam if you don’t work hard.

5. You’ll get a cold if you don’t keep your feet dry.

6. If I don’t leave now, I’ll miss my flight.

7. If you aren’t going to the party, I won’t go.

8. I can’t send you a postcard if  you don’t give me your address.

9. If I won a big prize in a lottery, I’d build a school for the poor.

10. I’ll call the police if you don’t leave me alone.

EXERCISE 2: Rewrite the following sentences using conditional sentences type 2.

1. They are poor, so they can’t help us.

2. He doesn’t do this homework. He is always punished.

3. He doesn’t have enough time. He can’t help me.

4. She doesn’t take any exercise, so she is overweight.

5. He doesn’t have a bicycle, so he always goes to class late.

6. I am bad at English, so I can’t do homework.

7. He doesn’t practise speaking French, so he doesn’t speak it fluently.

8. The meeting can be cancelled because it snows heavily.

9. We don’t go because it will rain.

10. John is fat because he eats so many chips.

EXERCISE 3: Rewrite the following sentences using conditional sentences type 3

1. He didn’t hurry, so he missed the train.

2. We didn’t go because it rained.

3. We got lost because we didn’t have a map.

4. He lost his job because he was late everyday.

5. The dress was so expensive. She could not buy it.

6. Sue felt sick because she ate four cream cakes.

7. My brother left the car keys, so I had to pick him up at the station,

8. We didn’t go on holiday because we didn’t have enough money.

9. He didn’t have the ticket to the game last week. He wasn’t be able to get in.

10. Robert got a bad cough because he started smoking cigarettes.

Use conditional sentences type 2 to rewrite the sentences below. 41. You don’t save electricity. You pay a lot of money.  42. We don’t have enough money, so we don’t buy those new comics.  43. She is not free today, so she can’t go to the movie with her friends.  44. He is so lazy. He fails the final exam.  45. The weather is not fine. The children don’t play outdoors.  46. Thu cannot swim, so she doesn’t go to the swimming pool with her friends.  47. People don’t see the UFO, so they don’t call the National UFO Reporting Centre.  48. She doesn’t keep the refrigerator door closed, so she cannot save the energy.  49. There is much traffic, so the air is polluted by the waste smoke.  50. Ba isn’t fast enough to catch the school bus. 

Rewrite the sentences without changing the meaning.

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 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 ..................................................................................................................................

Part 7: Rewrite the sentences using the conditional type 2.

37. I don’t know the answer, so I can’t tell you.

…………………………………………………………………………………..     

38. We will get lost because we don’t have a map.

…………………………………………………………………………………..

III. Practice: write conditional sentences

1. You should take more exercise because that’s the way to get fit.

3. I haven’t got a key, so I can’t get in.

4. Throw a stone into water and it sinks.

5. I don’t have a laptop, and now I can’t type the assignment.

6. Road travel is cheaper than rail travel in this country, so we have lots of traffic jams.

7. You may want a chat, so just give me a ring.

8. The wind is blowing hard, so I won’t take the boat out for a ride.

9. We don’t visit you very often because you live so far away.

10. I have to work tomorrow evening, so I can’t meet you.

11. Practice the piano regularly and you will play better.

12. Carol doesn’t answer the phone because she is studying.

III. Practice: write conditional sentences

1. You should take more exercise because that’s the way to get fit.

3. I haven’t got a key, so I can’t get in.

4. Throw a stone into water and it sinks.

5. I don’t have a laptop, and now I can’t type the assignment.

6. Road travel is cheaper than rail travel in this country, so we have lots of traffic jams.

7. You may want a chat, so just give me a ring.

8. The wind is blowing hard, so I won’t take the boat out for a ride.

9. We don’t visit you very often because you live so far away.

10. I have to work tomorrow evening, so I can’t meet you.

11. Practice the piano regularly and you will play better.

12. Carol doesn’t answer the phone because she is studying.

43. It’s raining, so we can’t have lunch in the garden.

=> If

44. Why don’t you reuse these paper bags?

=> If I

45. You’d better not touch that switch.

=> If I

46.. Because I don’t know Japanese, I can’t apply for the job.

=> If I

47. If she doesn’t work harder, she’lllose her job.

=> Unless

48. We will be late if we don’t take a taxi.

=> Unless

49. Work hard or you will fail the exam.

=> If you

50. We can’t have a foreign holiday because we don’t have enough money.

=> If we

51. You will pass this entrance examination with enough hard work.

=> If you don’t work

Task 7: Rewrite these sentences, using conditional sentences type 

1. He smokes so much, perhaps that’s why he can’t get rid of his cough.

=> __________________________________________________________________

2. She is very shy, that’s why she doesn’t enjoy parties.

=> ___________________________________________________________________

3. They speak French to her, not English, so her English doesn’t improve.

=> ___________________________________________________________________

4. I can’t drive so we can’t take the car.

=> ___________________________________________________________

1. I don’t have a degree so I can’t get a job easily. → If I had .................... 2. I don’t buy that house because it’s very small. → If it were ..................... 3. They don’t use other forms of energy, so they don’t protect the environment. → If they used ………………………………………….. 4. She doesn’t go out more often because she is too weak. → If she …………………… 5. I’m not rich, so I can’t buy a yacht. → If I ………………………………………….. 6. He doesn’t hurry, so he misses the train. → If he ………………………………………….. 7. Peter is fat because he eats so many chips. → If Peter ........................................................ 8. Today is not Sunday. We get up early. → If today ………………………………………….