1. She doesn’t live in London because she doesn’t know anyone there

=> If ……………………………… she knew someone there, she would lived in London……………………………….

2. I don’t have a spare ticket. I can’t take you to the concert

=> If I ………………… had a square ticket,i could take you to the concert……………………………………………...

3. They don’t understand the problem. They won’t find a solution

=> If they ………………………  understood the problem, they would find a solution …………………………………….

4. Carol didn’t answer the phone because she was studying..

=> If Carol …………………………  hadn’t been studying,she would have answered the phone…………………………

5. Rita is exhausted today because she didn’t get any sleep last night

.=> If Rita …………………………… had got sleep last night,she wouldn’t be exhausted today…………………………

1, If she knew anyone there, she would live in London
2, If I had a spare ticket, I could take you to the concert
3, If they understanded the problem, they would find a solution
4, If Carol had 't study, she would have answered the phone
5,  If Rita had gotten any sleep last night , she would have  exhausted today

1. She’d live in London if she knew someone there.

1. She would live in London if she knew somebody there

2. I'd live in the country if I could find a job there

3. If I had a spare ticket, I could take you to the concert

4. If the schoolchildren had remembered to water some seeds, they would have grown.

5. If they didn't understand the problem, they wouldn't find a solution

6. If he didn't sit around too much, he would be fit

7. If Carol had not been studying, she would have answered the phone

CHÚC BẠN HỌC TỐT!!!

1. She doesn’t live in London because she doesn’t know anyone there

She’d live in London if she knew someone there.

2. I can’t live in the country because I can’t find a job there

I’d live in the country if i could find a job there 

3. I don’t have a spare ticket. I can’t take you to the concert

If I had a spare ticket, I would take you to the concert.

4. The schoolchildren sowed some seeds, but they forgot to water them so they didn’t grow.

If the children had remembered to water some seeds, they would have grown.

5. They don’t understand the problem. They won’t find a solution

If they understood the problem, they would find a solution.

6. He sits around too much. He isn’t fit.

If he didn't sit around too much, he would be fit.

7. Carol didn’t answer the phone because she was studying.

If Carol had been free, she would have answered the phone.

1. She doesn't live in London because she doesn't know anyone there. =>She'd live in London if she knew someone there.
2. I can't live in the country because I can't find a job there.
=> I'd live in the country if I could find a job there.
3. I don't have a spare ticket. I can't take you to the concert.
=> If I had a spare ticket, I could take you to the concert
4. The schoolchildren sowed some seeds, but they forgot to water them so they didn't grow.
=> If the children had watered some seeds, they would have grown
5. They don't understand the problem. They won't find a solution.
=> If they understood the problem, they would find a solution
6. He sits around too much. He isn't fit.
=> If he were fit, he wouldn't sit around too much
7. Carol didn't answer the phone because she was studying.
=> If Carol hadn't been studying, he would have answered the phone.
8. Rita is exhausted today because she didn't get any sleep last night.
=> If Rita had slept last night, she wouldn't be exhausted today (if mix)
9. She's very thin; perhaps that's why she feels cold so much.
=> If she weren't very thin, she wouldn't feel cold so much. (có thể sử dụng wasn't)
10. He never polishes his shoes, so he never looks smart.
=> If he polished his shoes, he would look smart.

đều sử dụng if 2 và 3, có 1 câu if mix 3,2 còn đâu áp dụng cấu trúc là ra

V. Complete each of the following sentences so that it means the same as the sentence before

1. She doesn’t live in London because she doesn’t know anyone there

→ She’d live in London if she knew someone there

2. I can’t live in the country because I can’t find a job there

→ I’d live in the country if I could find a job there.

3. I don’t have a spare ticket. I can’t take you to the concert

→ If I had a spare ticket, I would take you to the concert.

4. The schoolchildren sowed some seeds, but they forgot to water them so they didn’t grow.

→ If they had watered the seeds, they would have grown.

5. They don’t understand the problem. They won’t find a solution

→ If they understood the problem, they would find a solution.

6. He sits around too much. He isn’t fit.

→ If he didn't sit around so much, he would be fitter.

7. Carol didn’t answer the phone because she was studying..

→ If Carol wasn't studying, she would have answered the phone.

8. Rita is exhausted today because she didn’t get any sleep last night.

→ If Rita had gotten some sleep last night, she wouldn't be exhausted today.

9. She’s very thin; perhaps that’s why she feels cold so much.

→ If she wasn't so thin, she wouldn't feel cold so much.

10. He never polishes his shoes, so he never looks smart

→ If he polished his shoes, he would look smart.

11. He can’t park near his office; that’s why he doesn’t come by car

→ If he could park near his office, he would come by car.

12. My house is guarded by two big dogs. That’s the only reason it isn’t broken into every night

→ If my house didn't have two big dogs guarding it, it would be broken into every night.

13. The flats are not clearly numbered, so it is very difficult to find anyone.

→ If the flats were clearly numbered, it would be easier to find anyone.

14. I don’t know her e-mail address, so I can’t tell you

→ If I knew her email address, I could tell you.

15. She works in the evening. She has no time to play with her children

→ If she didn't work in the evening, she would have time to play with her children.

16. I don’t want them to be upset, so I’ve decided not to tell them what happened.

→ They would be upset if I told them what happened.

17. I am not tall enough to join the basketball tea

→ If I were tall enough, I could join the basketball team.

18. He doesn’t see the signal so he doesn’t stop his car

→ If he saw the signal, he would stop his car.

19. Peter gets bad marks because he doesn’t prepare his lessons well

→ If Peter prepared his lessons well, he would get better marks.

20. Mary doesn’t have enough money. She can’t buy a new car.

→ If Mary had enough money, she could buy a new car.

21. Go right now or you’ll be late for the train.

→ If you don't go now, you'll be late for the train.

22. He doesn’t apply for the job because he doesn’t have enough qualifications.

→ If he had enough qualifications, he would apply for the job.

23. Hurry up, or we will be late for the exam.

→ If we don't hurry up, we will be late for the exam.

24. They do not understand you because you do not often talk to them.

→ If you  talked to them more often, they would understand you.

25. Because you speak English unnaturally, they do not understand you.

→ If you spoke English more naturally, they would understand you.

Exercise 1:

1. I won't go to school unless I feel better.
2. Tony won't walk to you unless you question him. 
3. You'll be cold unless you put your overcoat on.
4. You will fail the exam unless you work hard.
5. You'll get a cold unless you keep your feet dry.
6. I won't go to the party unless you go.
7. I'll miss my flight unless I leave now.
8. I can't send you a postcard unless you give me your address.
9. I can't build a school for the poor unless I win a big lottery.
10. I will call the police unless you leave me alone.

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

=> If it weren't raining, we could have lunch in the garden.

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

=> If I were you, I would reuse these paper bags

45. You’d better not touch that switch.

=> If I were you, I wouldn't touch that switch.

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

=> If I knew Japanese, I could apply for the job.

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

=> Unless she worked harder, she’ll ose her job.

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

=> Unless we take a taxi, we will be late

49. Work hard or you will fail the exam.

=> If you don't work hard, you will fail the exam.

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

=> If we had enough money, we could have a foreign holiday

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

=> If you don’t work hard, you won't pass this entrance examination 

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

=> If it weren't raining ,we could have lunch in the garden

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

=> If I were you , i would reuse these paper bags

45. You’d better not touch that switch.

=> If I were you, I wouldn't touch that switch

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

=> If I knew japanese, I could apply for that job

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

=> Unless she works harder, she'll lose her job.

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

=> Unless we take a taxi, we will be late.

49. Work hard or you will fail the exam.

=> If you don't work hard, you will fail the exam

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

=> If we had enough money,we could go on a foreign holiday.

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

=> If you don’t work hard enough, you won't pass this entrance examination. 

Rewrite the sentences without changing the meaning.

1. He can’t go out because he has to study for his exam.

→ If he didn't have to study for his exam, he could go out

2. She is lazy so she can’t pass the exam.

→  If she weren’t lazy, she could pass the exam.

3. He will pay me tonight; I will have enough money to buy a car.

→ If he pays me tonight, I would have enough money to buy a car.

4. He smokes too much; that’s why he can’t get rid of his cough.

→ If  he didn't smoke too much, he would  get rid of his cough

5. She is very shy, so she doesn’t enjoy the party.

→ If she weren’t shy, she could enjoy the party.

6. I get a work permit. I will stay for another month.

→ If I get a work permit, I will stay for another month 

7. He doesn’t take any exercises. He is so unhealthy.

→ If he didn’t take any exercises, he is so unhealthy

8. We can’t get the ket because I don’t have the right change.

→ If I had the right change,we could get the ket

9. Study hard or you won’t pass the exam.

→ If you study hard, you would pass the exam

10. Don’t be impatient or you will make mistakes.

→ If you are impatient, you will make mistakes.

1. The river which flows through Ho Chi Minh City is the Sai Gon River.

2. Mr Phong who is supposed to be at the meeting hasn’t come yet.

3. Our solar system is in a galaxy which is called the Milky Way.

4. I come from a city which is located in the southern part of the country.

5. I’ve recently gone back to the town where I was born.

6. Do you know the name of the hotel where John is staying?

7. There are some words which are very difficult to translate.

8. What is the name of the man whose car you borrowed?

9. This watch which I have lost costs a lot of money.

10. We were given a lot of information most of the which was useless.

4. He said: "Don't go too far"

He told me that not to go too far

5. I don't have a spare ticket. I can't take you to the concert

If i had a spare ticket,I could take you to the concert

6. "I'm looking for the book you gave me last week "Mary said to Peter

Mary told Peter that she was looking for the book he had given her the week before

7. They will sue the company for wage discrimination

The company will be sued for wage discrimination

9. "Don't play on the grass, boy" she said

She told the boy that not to play on the grass

10. She doesn"t live in London because she doesn' t know any one there

If she known any one in London,she would live here

11. John said to Mary: " I wiil give you a new bike next summer"

John told Mary that he would give she a new bike the next summer

4. He said: "Don't go too far"

He told me that not to go too far

5. I don't have a spare ticket. I can't take you to the concert

If i had a spare ticket,I could take you to the concert

6. "I'm looking for the book you gave me last week "Mary said to Peter

Mary told Peter that she was looking for the book he had given her the week before

7. They will sue the company for wage discrimination

The company will be sued for wage discrimination

9. "Don't play on the grass, boy" she said

She told the boy that not to play on the grass

10. She doesn"t live in London because she doesn' t know any one there

If she known any one in London,she would live here

11. John said to Mary: " I wiil give you a new bike next summer"

John told Mary that he would give she a new bike the next summer