1. Tomorrow is Mai's birthday. I _ must __ buy a present for her.

2. We might __ have to __ leave earlier than we expected.

3. If you feel better, you __ don't have to __ take medicine any more.

4. I __ have to __ leave home at 6:00 because I have an appointment at 7:00.

5. You __ must not__ eat a lot before doing the exercise. If you do, you might get into some trouble with your stomach.

6. We couldn't find a better present so we __had to___ choose this one.

7. If you are a member of the club, you ___do not have to___ pay to use these facilities because they are included in the membership fee.

8. I had the flu, so I __had to___ stay in the bed for two days.

9 If you are under 18 years old, you __mustn't___ ride a motorbike.

1.will give

2.would type

3.payed

4.will save

5.knew

6.will have

7.couldn't make

8.were

9.find

10.would be

1.will give

2.would type

3.paid

4.can save

5.knew

6.will have

7.would not

8.were

9.finds

10.will be

Rewrite the following as conditional sentences

1.You need to go to Egypt to see the Sphinx.

If …………you want to see the Sphinx, you need to go to Egypt…………

2.John didn’t leave early so he didn’t there on time.

If ……Tom had left early, he would have been there on time……….

3.She used factor 12 suntan lotion as she gets sunburnt easily.

If …she hadn't used factor 12 suntain lotion, she could get sunburnt easily .

4.The fax machine is broken so I’ll have to send it by post.

If …the fax machine weren't broken, I wouldn't have to send it by post.….

5.Calling her might make her feel better.

If ……………we call her, it might make her feel better…………...

6.There’ll be an election if the president resigns. Providing ……that the president resigns , there'll be an election….

7.More tickets need to be sold, otherwise the concert will be cancelled.

If ………the tickets weren't sold more, the concert would be cancelled……

8.You’ll have trouble selling your house if you’re not prepared to accept a lower offer.

Unless…you are prepared to accept a lower offer, you'll have trouble selling your house…....

9.He cancelled his trip because he had run out of money.

If ……he hadn't run out of money, he wouldn't have cancelled his trip….

10.Tom didn’t wear a coat and caught a cold.

If …………Tom had worn a coat, he wouldn't have caught a cold………....

1. Had they/ They had worked harder, they might have succeeded.

2. She speaks to everyone as if they are/ were stupid!

3. If you ate less sugar, you might have felt/ feel better.

18: She said her father would be angry with him if he finds out

21: She told him that he had better speak to the manager

22: He told her that he might not be able to meet her at the airport

4 C => relaxes

5 A => should 

6 C => and

7 B => but

8 B => are

9 A => less

10 A => has gone

4. C. relax-> relaxes

5. A. shouldn't-> should

6. B.but-> so

7. B. and-> but

8. B. is-> are

9. A. more-> less

10. B. went-> gone

Chia động từ (câu điều kiện)
1. If I (make) make that mistake again, my teacher (get) will get angry with me.

2. They (not/let) won't let you in if you (come) come late

3. If you (not go) don't go away, I (send) will send for a police man

4. If she (come) comes late again, she (lose) will lose her job

5. I know I (feel) would feel better if I (stop) stopped smoking

6. I (understand) would understand him if he (speak) spoke more slowly

7. He's waiting for his mother to come back from Chicago. If his mother (come) comes home, he (have) will have a lot of presents

8. If you (not be) weren't so busy, I (show) would show you how to play

9. If we (have) had some eggs, I (make) would make you a cake

10.If you (like) like, I (get) will get you a job in this company

11. If grandmother (be) were 5 years younger, she (play) would play some games

Chia động từ (câu điều kiện)
1. If I (make)make that mistake again, my teacher (get)will get angry with me.
2. They (not/let)won't let you in if you (come)come late
3. If you(not go)don't go away, I (send)will send for a police man

4. If she(come)comes late again, she will lose(lose)her job
5. I know I (feel)would feel better if I (stop)stopped smoking
6. I (understand)would understand him if he (speak)spoke more slowly
7. He's waiting for his mother to come back from Chicago. If his mother (come)comes home, he (have)will have a lot of presents
8. If you (not be)weren't so busy, I (show)would show you how to play
9. If we (have)had some eggs, I (make)would make you a cake
10.If you like(like ), I (get)will get you a job in this company
11. If grandmother (be)were 5 years younger, she (play)would play some games

1. No one helped her because they didn’t care about her situation.

2. I have flu but I don’t feel very tired.

3. You can go and see the doctor or you can go to bed now and rest.

4. The Americans often eat fast food so many of them are overweight.

5. Julie couldn’t go to your party because she was tired.

6. Peter like the color purple but red is his favorite color.

7. We took the city bus because It was crowded

8. The children didn’t do their homework so their parents punished them.

9. His grandparents have never visited Asia and neither have they 

10. Let’s go to the swimming pool because It is hot inside the house.

11. I need to go to the store but I’m feeling too sick to drive.

12. She saw a cat running in front of her and she fell down while she was riding her bike.

13. Mr Edwards will lead the singing because Ms. Smith is ill.

14. The school bus stopped suddenly but  one was hurt

1. I don’t know her number, so I don’t ring her up

 If I knew her number, I would ring her up.

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

 If I knew the answer, I could t tell you.

3. When you ask me for the book, I will lend it to you.

Unless you ask me for the book, I won't lend it to you.

4. I feel miserable because Kate doesn’t love me.

 If Kate loved me, I wouldn't feel miserable.

5. I won’t go to the party because I’m not feeling well.

 I would go to the party if I felt well.

6. There are too many cars. As a result, our planet is polluted.

 If there weren't too many cars, our planet wouldn't be polluted.

7. You are so nervous because you drink too much coffee.

 If you didn't drink too much coffee, you wouldn't be so nervous.

8. As I haven’t got money, I can’t buy a new car.

 If I get money, I could buy a new car.

9. I am in this class because I cannot speak perfect English.

 If I spoke perfect English, I wouldn't be in this class.

10. I am very bad at English; I can't help you with your English exercises.

 If I weren't very bad at English, I could help you with your English exercises.

11. He isn’t a good runner because he doesn’t train every day.

  If he trained every day, he would be a good runner.

12. Peter is fat because he eats so many chips.

 If Peter didn't eat so many chips, he wouldn't be fat.

13. His parents are away on holiday. He really needs their help now.

 He wishes his parents weren't away on holiday because he really needs their help now.

14. Mike doesn't feel well today. He can't go out with his friends.

 Mike wishes she felt well today to go out with his friends.

15. Peter is working on two jobs. He can’t help you fix your computer right now.

 If Peter weren't working on two jobs, he could help you fix your computer right now.

1. I don’t know her number, so I don’t ring her up

 If I …I knew her numberm, I would ring her up……

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

 If I …knew the answer, I could tell you………………

3. When you ask me for the book, I will lend it to you.

Unless you …asked me for the book, I won't lend it to you.…………………….

4. I feel miserable because Kate doesn’t love me.

 If Kate ………loved me, he wouldn't feel miserable……………….

5. I won’t go to the party because I’m not feeling well.

 I would ……go to the party if I felt well…………….

6. There are too many cars. As a result, our planet is polluted.

 If there ……weren't too many cars, our planet weren't polluted…………………………

7. You are so nervous because you drink too much coffee.

 If you …didn't drink too much coffee, you wou;dn't be so vervous…………………………….

8. As I haven’t got money, I can’t buy a new car.

 If ……I had money, I could buy a new car.…………………………………….

9. I am in this class because I cannot speak perfect English.

 If I ……could speak perfect E, I would be in this class……………………………….

10. I am very bad at English; I can't help you with your English exercises.

 If I ……weren't bad at English; I could help you with your English exercises.………………….

 11. He isn’t a good runner because he doesn’t train every day.

  If he …trained everyday, he would be a good runner  ……….

12. Peter is fat because he eats so many chips.

 If Peter ……didn't eat so many chips, he wouldn't be fat…………….

13. His parents are away on holiday. He really needs their help now.

 He wishes …his parents weren't away on holiday……….

14. Mike doesn't feel well today. He can't go out with his friends.

 Mike wishes …felt well today and he could go out with his friends……

15. Peter is working on two jobs. He can’t help you fix your computer right now.

 If Peter ……weren't working on 2 jobs, he could help you fix your computer right now. ……………………….