FURTHER PRACTICE: CONDITIONAL SENTENCES TYPE 1
I. Give the correct form of the verbs in brackets.
1. If he (do)……………… well in the exam, his parents will buy me an MP3 player.
2. If my sister borrows my clothes again, I (scream)………………………..!
3. We’ll leave at 6 o’clock if the weather (be)…………………… bad.
4. They (not mind)………………………………… if we’re a bit late this afternoon.
5. Sarah will be very annoyed if Dave (not call)…………………. her this evening.
6. You still (go)……………………. to the concert if the tickets cost 60 euros?
7. If Rania doesn’t come to the party, Greg (be)………………… upset?
8. I’ll be surprised if Doug and Dana (not get)………………………………….. a new car soon.
9. If she (leave)………………………… at five o’clock, she’ll be there by half past seven.
10. We (call) …………………………………………you if we have any problems.
11. He’ll be late for the train if he (not start)……………………………. at once.
12. If I lend you $100, when you (repay)…………………………………… me?
13. Unless I have a quiet room, I (not be able)……………………….. to do any work.
14. If we leave the car here, it (not be)…………………………….. in anybody’s way.
15. Someone (steal)………………………………… your car if you leave it unlocked.
16. Unless he (work)……………………… harder, he will be fired.
17. If you come late, they (not let)………………………… you in.
18. If you (not go) ……………………away, I’ll call the police.
19. If he (eat) ………………………..all that, he will be ill.
20. What (happen) ……………………….if my parachute does not open?
II. Find and correct the mistake.
1. I get rid of my old car if you don’t need it.
2. You won’t be able to use grammar correctly unless you don’t understand it.
3. Nobody will like you if you won’t change your behaviour.
4. If I’ll order the new TV set tomorrow, we’ll get it on Monday.
5. Anna doesn’t come to the party if you don’t invite her.
6. Jack won’t go to dance unless Marry will ask him.
7. If you will need my help, I will be in my office until 4:00.
8. If you finish your dinner, you are allowed to watch TV.
9. If we will go shopping tomorrow, I’ll probably buy a new dress.
10. If mum is tired tonight, I cook dinner.
11. John will tell us if there will be any news.
12. If I won’t get a good mark in the geography test, I’ll be very annoyed!
13. You are tired in the morning if you don’t go to bed soon.
14. If you see Karen, do you ask her to call me?
15. Does Frank come with us if we go to the beach at the weekend?
16. If you need help, will tell me!
17. If we goes on holiday this summer, we’ll go to France.
18. We won’t have a picnic if the weather didn’t improve.
III. Choose IF or UNLESS to complete the following sentences.
1. ______ my teacher helps me, I’ll be unable to do it.
2. ______ I meet his father, I’ll tell him the whole truth.
3. You won’t get well ______ you stop eating junk food.
4. ______ you exercise regularly, you won’t be able to lose some weight.
5. ______ you exercise regularly, you’ll lose some weight.
6. The teacher will be mad ______ you don’t do the homework.
7. You can’t go on vacation ______ you don’t save your money.
8. You will feel cold ______ you wear a jacket.
9. They’ll arrive on time ______ they hurry.
10. Don’t call me late ______ it’s an emergency.
IV. Rewrite the following sentences.
1. If you don’t study harder, you’ll fail the next exam.
=> Unless……………………………………………………………………………………………………
2. If he doesn’t practice writing every day, he can’t improve his writing skill.
=> Unless……………………………………………………………………………………………………
3. Unless this man is a driver, he can’t help you move by car.
=> If…………………………………………………………………………………………………………
4. Unless you go out more often, you might fall ill.
=> If…………………………………………………………………………………………………………
5. If you don’t return this book to the library today, you’ll have to pay a fine.
=> Unless……………………………………………………………………………………………………
6. If you don’t practice harder, you will lose in the next game.
=> Unless……………………………………………………………………………………………………
7. If Nam doesn’t speak English every day, he will easily forget how to use it.
=> Unless……………………………………………………………………………………………………
8. Unless our team had joined the competition, we would not have achieved this prize.
=> If…………………………………………………………………………………………………………
9. If students don’t return books to the library this week, they’ll have to pay a fine.
=> Unless……………………………………………………………………………………………………
10. If Peter doesn’t study hard, he will get low marks.
=> Unless……………………………………………………………………………………………………
11. This movie was so boring, so he didn’t watch it.
=> Because this movie………………………………………………………………………………………
12. I haven’t seen Mai for 4 years.
=> I last……………………………………………………………………………………………………...
13. Bao was ill yesterday. He did all his homework.
=> Although Bao…………………………………………………………………………………………….
14. Nowhere is more comfortable than my home.
=> My home………………………………………………………………………………………………….
15. I started teaching English three years ago.
=> I have……………………………………………………………………………………………………...
16. Walk faster or you will miss the bus.
=> If you……………………………………………………………………………………………………....
17. I won’t enjoy the film if you aren’t with me.
=> Unless……………………………………………………………………………………………………
18. You must leave home early or you will miss the flight.
=> If you……………………………………………………………………………………………………....
19. John will pass the driving exam if he isn’t nervous.
=> Unless……………………………………………………………………………………………………
20. They will go on holiday if they have time.
=> Unless……………………………………………………………………………………………………
21. You have to get up early or you will be late for school.
=> If you……………………………………………………………………………………………………....
22. He will take a taxi if it rains.
=> Unless……………………………………………………………………………………………………
