I. UNLESS
1. If you don’t like this one, I’ll bring you another
Unless………………………………………………
2. If she doesn’t hurry, she’ll be late
Unless ……………………………………………….
3. If you aren’t careful, you’ll cut yourself
Unless ……………………………………………………
4. if you hadn’t sneezed, he wouldn’t have known that we were there.
Unless ……………………………………………………
5. Unless she finishes her homework, her mother will punish her
If …………………………………………………………………
6. Unless they phone me, I will stay at home.
If …………………………………………………………………………
7. Unless he went out, we would be happy
If………………………………………………
8.If she didn’t finish her homework, she would be punished.
Unless ……………………………………………….
9.If he doesn’t eat much, he will be thin
Unless ……………………………………………………
10.Unless Nam studies well,he won’t pass the exam.
If ……………………………………………………
11.If I have much time, I will come and have dinner with you this Sunday.
- Unless …………………………………………………………..
12. I will stay at home unless I am invited to the party.
If………………………………………………………………………..
II. OR

1. Go away or I will call the police.
If -------------------------------------------------------
2.Be carefull or you will cut yourself.
If -------------------------------------------------------
3.Study hard or you won’t pass the exam
If_____________________________________________________
4.Don’t be impatient or you will make mistakes
If_____________________________________________________
5.Keep silent or you’ll wake the baby up.
→If ……………………………………………..…..………
6.Stop talking or you won’t understand the lesson.
→ If……………………………………………………………..
7. Don’t tell lies to your boss or you’ll be fired at once.
= If……………………………………………………………………………
8.Be happy or you will get stressed.
If -------------------------------------------------------
9.Get up early or you won’t have enough time to go there.
If_____________________________________________________
11.Leave me alone or I’ll call the police.
=Unless……………………………………………………………………………………

III. REASON AND RESULT.
1.We make the air dirty because we use the car all the time.
 IF...............................................................................................
2. I don’t have enough time , so I can’t go on holiday this summer.
 If ………………………………………………………………….
3. He didn’t pass the exam because he was lazy.
-If……………………………………………………………………
4. We don’t celebrate the festival. It costs much money.
-If ……………………………………………………………………..
5. They are poor, so they can’t help us.
 If they .........................................................................
6. He doesn’t do his homework. He is always punished.
If he .............................................................................
7. He doesn’t have enough time. He can’t help me.
If he .............................................................................
8. She doesn’t take any exercise, so she is overweight.
If she........................................................................................
9. He doesn’t have a bicycle, so he always goes to class late.
He wouldn’t ..................................................................
10.He didn't hurry, so he missed the train.
If ..............................................................................................
IV. SO, BECAUSE, ….

1. We didn't go because it rained.
If it ............................................................................
2. We got lost because we didn't have a map.
If we ....................................................................................
3. He lost his job because he was late every day.
If he .......................................................................................
4. The airport was closed. She didn't fly to Rome.
If ....................................................................................
5. There is so much noise in the room. I can’t study well.
If…………………………………………………………….
6. Peter has such a lot of English homework that he won’t go
to the party.
= If..............................
7. I don’t feel confident at interviews because my English is not very good.
If.............................
8. Minh doesn’t read many English books because she doesn’t have time.
= If Minh...................
9.I think you should spend more time improving your
pronunciation.
= If..........................
10.Mai is so good at the language because she has some
friends who are native speakers of English.
= If Mai........................................
11. We can’t offer you the job because you can’t speak English.
= If...

Exercise 4: Using the given information, make conditional sentences with IF
1. They are poor, so they can’t help us.
→ If they ...................................................................................................
2. He doesn’t do his homework. He is always punished.
→ If he .....................................................................................................
3. He doesn’t have enough time. He can’t help me.
→ If he ......................................................................................................
4. She doesn’t take any exercise, so she is overweight.
→ If she ....................................................................................................
5. He doesn’t have a bicycle, so he always goes to class late.
→ He wouldn’t ...........................................................................................
6. I am bad at English, so I can’t do homework.
→ I could ...................................................................................................
7. He doesn’t practise speaking French, so he doesn’t speak it fluently.
→ If he .......................................................................................................
8. The meeting can be cancelled because it snows heavily.
→ If it .....................................................................................................
9. We don’t go because it will rain.
→ If it ........................................................................................................
10. John is fat because he eats so many chips.
→ If John ..................................................................................................

Question

I. UNLESS
1.	If you don’t like this one, I’ll bring you another 
Unless……………………………………………… 
2.	If she doesn’t hurry, she’ll be late 
Unless ……………………………………………….
3.	If you aren’t careful, you’ll cut yourself 
Unless ……………………………………………………
4.	if you hadn’t sneezed, he wouldn’t have known that we were there.
Unless ……………………………………………………  
5.	Unless she finishes her homework, her mother will punish her
 If …………………………………………………………………
6.	Unless they phone me, I will stay at home.
If …………………………………………………………………………
7. Unless he went out, we would be happy 
If……………………………………………… 
 8.If she didn’t finish her homework, she would be punished.
Unless ……………………………………………….
9.If he doesn’t eat much, he will be thin
Unless ……………………………………………………
10.Unless Nam studies well,he won’t pass the exam.
If ……………………………………………………  
11.If I have much time, I will come and have dinner with you this Sunday.  
-> Unless ………………………………………………………….. 
12. I will stay at home unless I am invited to the party.
If………………………………………………………………………..
II. OR

1. Go away or I will call the police.
 If -------------------------------------------------------
2.Be carefull or you will cut yourself.
 If ------------------------------------------------------- 
3.Study hard or you won’t pass the exam
If_____________________________________________________
4.Don’t be impatient or you will make mistakes
If_____________________________________________________
5.Keep silent or you’ll wake the baby up.
 →If  ……………………………………………..…..………
6.Stop talking or you won’t understand the lesson.
→ If……………………………………………………………..
7. Don’t tell lies to your boss or you’ll be fired at once.
=> If……………………………………………………………………………
8.Be happy or you will get stressed.
 If ------------------------------------------------------- 
9.Get up early or you won’t have enough time to go there.
If_____________________________________________________
11.Leave me alone or I’ll call the police.
=>Unless……………………………………………………………………………………

III.  REASON AND RESULT.
1.We make the air dirty because we use the car all the time. 
 IF...............................................................................................
 2. I don’t have enough time , so I can’t go on holiday this summer.
 If ………………………………………………………………….
            3. He didn’t pass the exam because he was lazy.
             ->If……………………………………………………………………
           4. We don’t celebrate the festival. It costs much money.
             ->If ……………………………………………………………………..
5. They are poor, so they can’t help us. 
 If they .........................................................................
6. He doesn’t do his homework. He is always punished.
If he .............................................................................
7. He doesn’t have enough time. He can’t help me.
If he .............................................................................
8. She doesn’t take any exercise, so she is overweight.
If she........................................................................................
9. He doesn’t have a bicycle, so he always goes to class late.
He wouldn’t ..................................................................
10.He didn't hurry, so he missed the train.
If ..............................................................................................
IV. SO, BECAUSE, ….

1.	We didn't go because it rained.
If it  ............................................................................
2.	We got lost because we didn't have a map.
If we ....................................................................................
3.	He lost his job because he was late every day.
If he .......................................................................................
4.	The airport was closed. She didn't fly to Rome.
If ....................................................................................
5.	There is so much noise in the room. I can’t study well.
If…………………………………………………………….
6.	Peter has such a lot of English homework that he won’t go 
to the party.
=> If..............................
7. I don’t feel confident at interviews because my English is not very good.
If.............................
8. Minh doesn’t read many English books because she doesn’t have time.
=> If Minh...................
9.I think you should spend more time improving your 
pronunciation.
=> If..........................
10.Mai is so good at the language because she has some
 friends who are native speakers of English.
=> If Mai........................................
11. We can’t offer you the job because you can’t speak English.
=> If...

Exercise 4: Using the given information, make conditional sentences with IF
1. They are poor, so they can’t help us.
→ If they ...................................................................................................
2. He doesn’t do his homework. He is always punished.
→ If he .....................................................................................................
3. He doesn’t have enough time. He can’t help me.
→ If he ......................................................................................................
4. She doesn’t take any exercise, so she is overweight.
→ If she ....................................................................................................
5. He doesn’t have a bicycle, so he always goes to class late.
→ He wouldn’t ...........................................................................................
6. I am bad at English, so I can’t do homework.
→ I could ...................................................................................................
7. He doesn’t practise speaking French, so he doesn’t speak it fluently.
→ If he .......................................................................................................
8. The meeting can be cancelled because it snows heavily.
→ If it .....................................................................................................
9. We don’t go because it will rain.
→ If it ........................................................................................................
10. John is fat because he eats so many chips.
→ If John ..................................................................................................

Accepted Answer

I. UNLESS
1. Unless you like this one, I’ll bring you another.
2. Unless she hurries, she’ll be late.
3. Unless you are careful, you’ll cut yourself.
4. Unless you hadn’t sneezed, he wouldn’t have known that we were there.
5. If she doesn’t finish her homework, her mother will punish her.
6. If they don’t phone me, I will stay at home.
7. If he didn’t go out, we would be happy.
8. Unless she finishes her homework, she will be punished.
9. Unless he eats much, he will be thin.
10. If Nam doesn’t study well, he won’t pass the exam.
11. Unless I have much time, I won’t come and have dinner with you this Sunday.
12. If I am invited to the party, I will stay at home.

II. OR
1. If you don’t go away, I will call the police.
2. If you aren’t careful, you will cut yourself.
3. If you don’t study hard, you won’t pass the exam.
4. If you are impatient, you will make mistakes.
5. If you don’t keep silent, you’ll wake the baby up.
6. If you don’t stop talking, you won’t understand the lesson.
7. If you tell lies to your boss, you’ll be fired at once.
8. If you aren’t happy, you will get stressed.
9. If you don’t get up early, you won’t have enough time to go there.
10. Unless you leave me alone, I’ll call the police.

III. REASON AND RESULT
1. If we use the car all the time, we make the air dirty.
2. If I don’t have enough time, I can’t go on holiday this summer.
3. If he was lazy, he didn’t pass the exam.
4. If it costs much money, we don’t celebrate the festival.
5. If they are poor, they can’t help us.
6. If he doesn’t do his homework, he is always punished.
7. If he doesn’t have enough time, he can’t help me.
8. If she doesn’t take any exercise, she is overweight.
9. If he doesn’t have a bicycle, he always goes to class late.
10. If he didn’t hurry, he missed the train.

IV. SO, BECAUSE, ….
1. If it hadn’t rained, we would have gone.
2. If we had had a map, we wouldn’t have got lost.
3. If he hadn’t been late every day, he wouldn’t have lost his job.
4. If she had flown to Rome, the airport wouldn’t have been closed.
5. If there wasn’t so much noise in the room, I could study well.
6. If Peter didn’t have such a lot of English homework, he would go to the party.
7. If my English were better, I would feel confident at interviews.
8. If Minh had more time, she would read many English books.
9. If you spend more time improving your pronunciation, I think you will be better.
10. If Mai has some friends who are native speakers of English, she is so good at the language.
11. If you could speak English, we could offer you the job.

Exercise 4: Using the given information, make conditional sentences with IF
1. If they weren’t poor, they could help us.
2. If he did his homework, he wouldn’t be always punished.
3. If he had enough time, he could help me.
4. If she took exercise, she wouldn’t be overweight.
5. If he had a bicycle, he wouldn’t always go to class late.
6. I could do homework if I were good at English.
7. If he practiced speaking French, he would speak it fluently.
8. If it snowed heavily, the meeting could be cancelled.
9. If it rains, we won’t go.
10. If John didn’t eat so many chips, he wouldn’t be fat.

I. UNLESS 1. If you don’t like this one, I’ll bring you another Unless……………………………………………… 2. If she doesn’t hurry, she’ll be late Unless ………………………………………………. 3. If you aren’t careful, you’ll cut yours...