use IF

1. That car is too epensive, so I'm not going to buy it.

i would buy that car if it wasn't too expensive

2. We don't go shopping very often because we can't afford it.

We'd go shopping more often if we could afford it.

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

if they understood the problem, They would find a solution

4. I can't phone you because I don't know your telephone number.

if I knew your telephone number, I could phone you

5. It's raining heavily, so I can't see her on time

if it wasn't raining heavily, I could see her on time​

If you don't remember our address, you can find it in the phone book.

If you don't remember our address, you can find it in the phone book

1.''Don't forget to bring your passport with you tomorrow.''

SHe told me not to bring my passport with me the next day.

2.''Bring it back if it doesn't fit.'',I said to her.

I told her to bring it back if it didn;t fit.

3.No one had told me about it

I wasn;t heard about it.

4. I buy 2 newspapers and 1 magazine everyday.

2 newspapers and 1 magazine are bought by me everyday.

5. My students will bring the children home.

The children will be brought home by my students.

6. We should keep the room tidy.

The room should be keep tidy.

7. Keep silent or you'll wake the baby up.

If you don't keep silent, you will wake the baby up.

8.Stop talking or you won't understand the lesson

If you don't stop talking, you won;t understand the lesson.

9. I don't know her number, so I don't ring her up.

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

10. I don't know the answer, so I can't tell you.

If I knew the answer, I could tell you.

11. We got lost because we didn't have a map.

If we had had a map, we wouldn't have got lost.

12. I don't know more people.

I wish I knew more people.

13. I don't have a key.

I wish I had a key.

14. Ann isn't here.

I wish ann were here.

15. It is cold.

I wish it weren't cold.

16. I live in a big city ( I don't like it).

I wish I didn't live in a big city.

Viết lại câu :

1. If you don’t water these plants, they will die. → Unless you water these plants, they will die.

2. The questions were so difficult that we couldn't answer all of them. → They were such difficult questions that we couldn't answer all of them.

3. I don't know her phone number, so I can't call her. → If I knew her phone number, I could call her.

4. The last time I spoke to him was four months ago. → It's four months since I last spoke to him.

5. "Why don't you have a doctor check your eyes, Mary?" → Susan suggested that Mary should have a doctor check her eyes.

6. The astronauts orbited the earth in two hours. → It took the astronauts two hours to orbit the Earth.

7. "Don't forget to bring along the rainçoat," Thuy's grandma said. → Thuy's grandma reminded Thuy to bring along the raincoat.

8. “Should I apply for this scholarship?" said Jane. → Jane wasn't sure of applying for that scholarship.

9. Phong studies the best in our class. → No one studies as well as Phong in our class.

10. Do you find it difficult to understand him? → Do you have difficulty (in) understanding him ?

11. Driving a big car was a new experience. → I wasn't used to driving a big car.

12. "How much are the course fees?" she asked me. → She asked me how much the course fees were.

13. When did you start playing for the national football team? → How long have you played for the national football team ?

14. He plays the guitar for a small group because he wants to earn some extra money. (in order that)

He plays the guitar for a small group in order that he earns some extra money.

15. Will you take care of the parrot while I am away? (look)

Will you look after the parrot while I am away ?

16. I am very excited about seeing you next week. (looking)

I am looking forward to seeing you next week.

17. I'm sorry I don't know her address. → I wish I knew her address.

18. May I turn on the television? → Do you mind if I turn on the television ?

38. Promise to try harder or I won't help you

      If you don't promise to try harder, I won't help you

39. I haven't done any gardening for three months

      The last time I did any gardening was 3 months ago

40. It's a pity I don't know her phone number

      I wish I knew her phone number

41. She has to finish the report today

      The report has to be finished today

42. "I'm leaving for Ha Noi tomorrow" Jane said to me

       Jane told me he was leaving for HN the day after

Choose one sentence that has the same meaning as the root one.

1. You can't visit the United States unless you get a visa.

a. You can't visit the United States if you get a visa.

b. If you don't get a visa, you cannot visit the United States.

c. Although you get a visa, you can't visit the United States.

d. You can visit the United States even if you don't get a visa.

2. Why don't we recycle bottles and cans?

a. We must recycle bottles and cans, mustn't we?

b. What do we recycle bottles and cans for?

c. Shall we recycle bottles and cans?

d. How can we recycle bottles and cans?

3. I'll be happy to give you a lift.

a. Would you mind giving me a lit?

b. Giving me a lift will make you happy

c. Ill be happy if you give me a lift.

d. I don't mind giving you a lift.

4. What do you think I should do?

a. What do you advise me to do?

b. What should I do for you?

c. Why don't you think what I should do?

d. What I do depend on your thinking.

5. My classmate gave this book to me.

a. My classmate was given this book by me.

b. This book was given to me by my classmate.

c. This book was given to my classmate by me.

d. This book was given my classmate by me.

4.a

Rewrite the following sentences using questin words before to in-finitives

1. I don't really know what I should say in my graduation speech. Can you help me?

-> I don't really know what to say in my graduation speech . Can you help me?

2. They can decide what the should do in this situation

-> They can't decide what to do in this situation

3. 'Should I tell this to her?' he asked himself

-> He wondered what to tell her

4. She was not sure who she should contact.

-> She was not sure who to contact

5. 'Where can I find more information about this?' he asked

-> He didn't know where to find more information about that

1)What can we do to get in touch with Rober? If only we (know).....knew...his phone number.

2)Come on children! It's time you (be)..,..were.....in bed.

3)Actually I'd rather you (not smoke).....didn't smoke.....in here.

4)Suppose you (see)...saw...a ghost. What would you do?

5)I'm so annoyed about beaking my leg. If only I (be)....was......more careful

6)It's high time you(start)....started......working more seriously.

7)I'd rather you(not put) ........didn't put...........your coffe on top of my book.

8)I've not idea where we are! If only we(have)....had......a map?

9)Your hair is rather long. Don't you think it's time you(have).....had.....a haircut?

10)Visiting museum is interesting , but I'd sooner we (go).....went.....swimming.

1)What can we do to get in touch with Rober? If only we (know)..KNEW......his phone number.

2)Come on children! It's time you (be)..,...WERE....in bed.

3)Actually I'd rather you (not smoke).......didn;t smoke...in here.

4)Suppose you (see)...TO SEE...a ghost. What would you do?

5)I'm so annoyed about beaking my leg. If only I (be)......HAD BEEN....more careful

6)It's high time you(start).....STARTED.....working more seriously.

7)I'd rather you(not put) .......DIDN'T PUT............your coffe on top of my book.

8)I've not idea where we are! If only we(have).......HAD...a map?

9)Your hair is rather long. Don't you think it's time you(have)......HAD....a haircut?

10)Visiting museum is interesting , but I'd sooner we (go).......WENT...swimming.