Change these sentences into the passive form:

1/ It was my father who bought the house many years ago

=>The house was bought by my father many years ago

2/ It is essential that you eat the souffle as soon as it is cooked =>the souffle must be eaten as soon as it is cooked

3/ It's not difficult to make bread

=>Bread is easy to be made

4/ If you saw a UFO, what would you do?

=>If a UFO was seen,what would be done

If I had a car, I could take you to the airport.

1. Can you turn on the lights?

Would you mind......turning on the lights.....?

2. Swimming in this river is dangerous.

It’s.......dangerous to swim in this river..........

3. I last visited my grandparents two months ago.

I haven’t.....visited my grandparents for two months.................

4. I watched an interesting film last night.

An intersting film........was watched last night

If you saw a ufo , what would you do ,?

If a Ufo...appeared, what would you do?...

I can't beautiful, so I can't join them now

I wish ...i could beautiful, so i could join them now.....

He got down to writing a letter as soon as he returned from his walk

No sooner ....did he return from his walk than he got down to writing a letter

I have never read such a romantic story this idy

This is the first time i have ever read a romantic story

 1. He is tired, so he can't score any goals.

If he weren't tired, he could score some goals

2. I think it would be a good idea to take a train.

I suggest.taking a train..

3. "I don't remember what I did yesterday." she said.

She said.that she didn't remember what she had done the previous day..

4. He gets in trouble because he doesn't take my advice

If be->he took my advice, he wouldn't get in trouble..

5. Despite her doctor's warnings, Carol has continued to smoke.

Even though. Carol's doctor had warned, she has continued to smoke

6. May I borrow your pen?

Would you mind. if I borrowed your pen

7. Although  ĐỀ ĐÂU?

Judy was severely disable->disabled, she participated in many sports.

- Despite being severely disabled, Judy participated in many sports

2. It's such a pity your sister can come as well.

If only. your sister could come as well

9. Although he was not guilty, they executed him.

In spite of...not being guilty, he was executed (by them)...

10. If you miss the program, you can't really judge.

Unless you miss the program, you can really judge

11. I never intended to go to the meeting.

- I never had intended to go to the meeting

12. The film star wore dark glasses so that no one would recognize him.

The film star avoided. being recognized by wearing dark glasses

13. You won't find a more dedicated worker anywhere than Mrs. Jones.

Nowhere...will you find a more dedicated worker than Mrs.Johnes.....

14. The keeper had no sooner opened the case door than the lion attacked him.

-Hardly....had the keeper opened the case door when the lion attacked him.........

15. He was punished because he behaved badly.

- Because of.....behaving badly, he was punished.......

1 You forgot turning off the T.V last night, didn't you?

You didn't remember ..............to turn off the TV last night, did you?.......................................

2. I think he should quit smoking.

Why doesn't ...................he stop smoking?...................................................

3. Our mother will take us to the zoo this weekend.

We will  .............be taken to the zoo by our mother this weekend..................................................................

4. Is pollution one of the most serious problems in the modern world?

Pollution is ..........one of the most serious problems in the modern world, isn't it?...............................................................

5. Tom is taller than his older brother now.

Tom's older brother............is not as tall as Tom..................................................

6. She invited us to her birthday last week, didn't she?

Did she..........invite us to her birthday party last week?..................................................................

7. Nam doesn't study as well as Minh.

Nam................studies worse than Minh.................................................................

8. I don't have as many books as him.

 He has.......more books than me..................................................................

1 You didn'r remember turning off the TV last night, did you?

2 Why doesn't he quit smoking?

3 We will be taken to the zoo this weekend

4 Pollution is one of the most serious problems in the modern world, isn't it?

5 Tom's older brother is shorter than him now

6 Did she invited us to her party last week?

7 Nam studied worse than Minh

8 He has more books than me

1. You didn't remember to turn off the TV last night, did you?

2. Why doesn't he qiut smoking?

3. We will be taken to the zoo by our mother this weekend.

4.Pollution is one of the most serious problems in the modern world, isn't it?

5. Tom's older brother isn't as tall as Tom now.

6. Did she invite us to her birthday last week?

7. Nam studies worse than Minh.

8. He has more books than me.

Give the correct form of the verbs in brackets.
25. If he _______had_________free time, he would go swimming. (have)
26. If I had much money, I ________would buy________a new car. (buy)
27. If the weather __________were______cool, the bananas wouldn’t spoil. (be)
28. If Ba were rich, he __________would travel______travel aroud the world. (travel)
29.What would you do if you _________saw______a UFO? (see)
30. If you can’t find your place, I _____will help____you get there with this map. (help)
Give a suitable preposition to each gap below.
31. There were more than 1,500 UFO sightings____in___the world in 1952.
32. He saw a plate-like device___on____ the treetop.
33. There is still evidence___for___people to believe__in_____ the existence of UFOs.
34. You will weigh 8 kilos heavier____in___the moon.
35. You must get a letter___from____the doctor that shows you are____in___ perfect health. Rewrite the following setences as directed. 36. Ba isn’t rich. He won’t travel around the world.  If Ba were _____________rich, he would travel around the world________________________________________________________
37. I’m not rich, so I can’t buy that house.  If I were _____rich, I would buy that house_________________________________________________________________
38. I can’t give you a ride because I do’t have a motorbike.  If I had ____________a motorbike, I could give you a ride____________________________________________________________
39.Water these plants or they will die.  If you don’t ________water these plants, they will die ____________________________________________________________
40. Hurry up or we’ll be late for the concert.  I we don’t __________hurry up, we will be late for the concert___________________________________________________________
41. You don’t save electricity. You pay a lot of money. ________If you don't save electricity, you will pay a lot of money.______________________________________________________________________
42.We don’t have enough money, so we don’t buy those new comics. ________If we had enough money, we would buy those new comics.

______________________________________________________________________
43. She is not free today, so she can’t go to the movie with her friends. _____If she were free today, she could go to the movie with her friends _________________________________________________________________________
44. He is so lazy. He fails the final exam. ________If he weren't so lazy, he wouldn't fail the exam.______________________________________________________________________
45. The weather is not fine. The children don’t play outdoors. __________If the weather were fine, the children would play outdoors.____________________________________________________________________
46. Thu cannot swim, so she doesn’t go to the swimming pool with her friends. _________If Thu could swim, she would go to the swimming pool with her friends._____________________________________________________________________
47. People don’t see the UFO, so they don’t call the National UFO Reporting Centre. _______If people saw the UFO, they would call the National UFO Reporting Centre.

_______________________________________________________________________
48. She doesn’t keep the refrigerator door closed, so she cannot save the energy. __________If she kept the refrigerator door closed, she could save the energy.

____________________________________________________________________
49. There is much traffic, so the air is polluted by the waste smoke. ___________If there weren't so much traffic, the air wouldn't be polluted by the waste smoke.___________________________________________________________________
50. Ba isn’t fast enough to catch the school bus. ____________If Ba were fast , he could catch the school bus.__________________________________________________________________
Fill in each blank with a suitable word in the box.
--planet – aircraft – objects – sky – meteor
– spacecraft – UFO – in--
UFOs are strange flying __objects____(51) that some people report that they have seen in the ____sky__(52) and believe to be ____meteor__(53) from another ___planet___(54) Many scientists do not believe so. They say if people see a __UFO____(55), it might be an __aircraft____(56), a weather balloon or a _____spacecraft_(57). However, there is still evidence for people to believe ____in__(58) the existance of UOFs.

1. changed your mind, you would be welcomed to join our class.

2. like going out this afternoon.

3. Adeles tries hard, she doesn't get anywhere.

4. is thought to be considering raising wages.

5. he was disabled, he sailed around the world.

Were you to change your mind, you'd be welcome to join us 

I do not feel like going out this afternoon 

However hard Adele tries, she doesn't get anywhere

The boss is thought to be considering raising wages 

Despite the fact that he was disabled, he sailed around the world 

Bài này ở phần câu điều kiện loại 2 ạ

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

2, If she weren't lazy, she could pass the exam

3, If he didn't smoke too much, he could get fid of his cough

4, If he pay me tonight, i would have enough money to buy a car

5, If she weren't very shy, she would enjoy the party 

6, If i got a work permit, i would stay for another month

7, Câu này mình không biết chuyển thế nào ┐( ´ ～｀)┌            

8, If i had the right change, we could get the ket

9, If you didn't study hard, you would pass the exam 

10, If you weren't impatient, you would make mistakes

Mình làm cho luôn

7  =) If he took some exercises , he would be healthy .