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16 tháng 8 2021

Viết lại câu sau nghĩa ko đổi 

1.My father used to play football when he was young My father doesn't play football anymore.

2.Jane gave me a present on my last birthday I was given a present on my last birthday 

3."Let 's go swimming "She suggests going swimming.

4."Would you like a cup of coffee  He invited me a cup of coffee.

5.We got lost in the jungle because we didn 't have If we had had a map we would not have got lost in the jungle

6.I last saw Bob when I was in Ho Chi Minh city I haven't seen Bob since I was in Ho Chi Minh city

7.It is a three-hour driven from Ha Noi to Nam Dinh It takes 3 hours to drive from Ha Noi to Nam Dinh.

8.It's a pity you didn 't tell us about this  I wish you had told us about this

9.The children couldn 't go swimming because the sea was very rough The sea was too rough for the children to go swimming.

16 tháng 8 2021

1 My father usually played football when he was young 

2 I was given present by Jane on my last birthday 

3 What about going swimming?

4 Would you like me to make you a cup of coffee?

5 We didn't have...., so we got lost in the jungle 

6 I haven't seen Bob I was in Ho Chi Minh city

7 It takes 3 hours to drive from Ha Noi to Nam Dinh 

8 I wish you had told us about this 

9 The sea was so rough that the children couldn't go swimming

1. My father used to play football when he was young. —> My father doesn't........................................... .................................................. .. , 2. Jane gave me a present on my last birthday. —> I was............................................... .................................................. ................. 3. "Let's go swimming". —> She suggests.......................................... .................................................. ....... 4....
Đọc tiếp

1. My father used to play football when he was young.

—> My father doesn't........................................... .................................................. .. ,

2. Jane gave me a present on my last birthday.

—> I was............................................... .................................................. .................

3. "Let's go swimming".

—> She suggests.......................................... .................................................. .......

4. "Would you like a cup of coffee?"

—> He................................................ .................................................. ................

5. We got lost in the jungle because we didn't have a map.

—> If we had............................................... .................................................. .......

6. I last saw Bob when I was in Ho Chi Minh City.

—> I haven't seen.............................................. .................................................. ..

7. It is a three-hour drive from Hanoi to Namdinh.

—> It takes............................................. .................................................. ............

8. It's a pity you didn't tell us about this.

—> I wish.............................................. .................................................. .............

9. They think the owner of the house is abroad.

—> The owner............................................. .................................................. ......

10. The children couldn't go swimming because the sea was very rough.

—> The sea was too............................................... ..................................................

3
29 tháng 8 2017

1. My father used to play football when he was young.

—> My father doesn't play football anymore.

2. Jane gave me a present on my last birthday.

—>I was given a present on my last birthday.

3. "Let's go swimming".

—> She suggests going swimming.

4. "Would you like a cup of coffee?"

—> He invited me a cup of tea.

5. We got lost in the jungle because we didn't have a map.

—> If we had had a map, I wouldn't got lost in the jungle

6. I last saw Bob when I was in Ho Chi Minh City.

—>I haven't seen Bob since I was in Ho Chi Minh City.

7. It is a three-hour drive from Hanoi to Namdinh.

—> It takes three hours to drive from Hanoi to Namdinh.

8. It's a pity you didn't tell us about this.

—> I wish you had told us about it.

9. They think the owner of the house is abroad.

—> The owner of the house is thought to be abroad.

10. The children couldn't go swimming because the sea was very rough.

—> The sea was too rough for the children to go swimming.

29 tháng 8 2017

1. My father used to play football when he was young.

—> My father doesn't.........PLAY FOOTBALL ANYMORE................................. .................................................. .. ,

2. Jane gave me a present on my last birthday.

—> I was........GIVEN A PRESENT ON MY LAST BIRTHDAY BY JANE....................................... .................................................. .................

3. "Let's go swimming".

—> She suggests........GOING SWIMMING.................................. .................................................. .......

4. "Would you like a cup of coffee?"

—> He...........INVITED ME A CUP OF COFFEE..................................... .................................................. ................

5. We got lost in the jungle because we didn't have a map.

—> If we had....HAD A MAP , WE WOULDN'T HAVE GOT LOST........................................... .................................................. .......

6. I last saw Bob when I was in Ho Chi Minh City.

—> I haven't seen................BOB SINCE I LEFT HCM CITY.............................. .................................................. ..

7. It is a three-hour drive from Hanoi to Namdinh.

—> It takes...........THREE HOURS TO DRIVE FROM HN TO NAMDINH.................................. .................................................. ............

8. It's a pity you didn't tell us about this.

—> I wish......YOU HAD TOLD US ABOUT THIS........................................ .................................................. .............

9. They think the owner of the house is abroad.

—> The owner........OF THE HOUSE IS THOUGHT TO BE ABROAD..................................... .................................................. ......

10. The children couldn't go swimming because the sea was very rough.

—> The sea was too...........ROUGH FOR THE CHILDREN TO GO SWIMMING.................................... ..................................................

1: Rerwite the following sentences that keep the same meaning. 1. He was very sorry that he didn't see Andrey on her trip to London. He greatly regretted..................................................................................... 2. It's thought that the accident was caused by human error. The accident is ........................................................................................... 3. "Will you be visiting the Taj Mahal when you go to India?" he asked Elizabeth. He...
Đọc tiếp

1: Rerwite the following sentences that keep the same meaning.

1. He was very sorry that he didn't see Andrey on her trip to London.

He greatly regretted.....................................................................................

2. It's thought that the accident was caused by human error.

The accident is ...........................................................................................

3. "Will you be visiting the Taj Mahal when you go to India?" he asked Elizabeth.

He asked .................................................................................................

4. "Ithink you should try the chicken Marengo," said the waiter.

The waiter recommended ........................................................... ..................

5. This is the most delicious cake I have ever tasted.

I have ........................................................................................... ......

2: Rerwite the following sentences that keep the same meaning.

1. The questions are so easy that everyone can answer them.

They're such ................................................................................................

2. The boy will receive some money to continue his study. His parents died in a traffic accident

The boy whose ..........................................................................................................

3. They are producing motorbikes in Vietnam.

Motorbikes are ..............................................................................................

4. I wasn't there yesterday, so I didn't know who he was.

If I ............................................................................................................

5. If you do not try hard, you can't pass the examination.

Unless .........................................................................................................

6. They spent more money, they had to work harder.

The more .....................................................................................................

7. People thought that the cover was made of iron.

The cover ....................................................................................................

8. He went to London. He had lived there when he was a boy.

He went to London where ..................................................................................

9. Jane was absent from class because of her sickness.

Because Jane was ............................................................................................

10. The package was too heavy for Peter to carry.

The package was so ..........................................................................................

3: Rerwite the following sentences that keep the same meaning.

1. You should take the train instead of the bus.

If .....................................................................................................

2. I'm sure that someone forgot to lock the door.

Someone must .....................................................................................

3. They bought this house ten years ago.

They have .........................................................................................

4. The course finished with a big party.

At the end .........................................................................................

5. We invited a pop star onto the chat show, but he didn't turn up.

The pop star ......................................................................................

6. Although she said that she would come, I don't think she ever will.

Despite .................................................................................................

7. The plane had hardly left the airport when the accident happened.

No sooner ..........................................................................................

8. You feel tired now because you didn't sleep very well last night.

Had .................................................................................................

9. When did you start the project?

How long ..........................................................................................

10. Their wedding will be held in a lovely church.

The church .........................................................................................

4: Rerwite the following sentences that keep the same meaning.

1. My father used to play football when he was young.

My father doesn't ........................................................................................

2. Jane gave me a present on my last birthday.

I was .......................................................................................................

3. "Let's go swimming"

She suggests ..............................................................................................

4. "Would you like a cup of coffee?"

He .........................................................................................................

5. We got lost in the jungle because we didn't have a map.

If we had .................................................................................................

6. I last saw Bob when I was in Ho Chi Minh City.

I haven't seen ............................................................................................

7. It is a three-hour drive from Hanoi to Namdinh.

It takes .................................................................................................

8. It's a pity you didn't tell us about this.

I wish .....................................................................................................

9. They think the owner of the house is abroad.

The owner ................................................................................................

10. The children couldn't go swimming because the sea was very rough.

The sea was too ......................................................................................

1
22 tháng 11 2018

1. Nguồn mạng

1. He greatly regretted not seeing Andrey on her trip to London.

2. The accident is thought to have been caused by human error.

3. He asked Elizabeth if she would be visiting the Taj Mahal when she went.

4. The waiter recommended us to try/ that we should try………..

5.I have never tasted such a dilicious cake

Ex2

1. They’re such easy questions that everyone can answer them.

2. The boy whose parents died in a traffic accident will receive some money to continue his

study

3. Motorbikes are being produced in Vietnam

4. If I had been there yesterday, I would have known who he was

5. Unless you try hard, you can’t pass the examination.

6. The more they spent money the harder they had to work

7. The cover was thought to have been make of iron

8. He went to London where had lived when he was a boy

9. Because Jane was sick, Jane was absent from class

10. The package was so heavy that Peter couldn’t carry it

Ex3

1. If I were you, I’d take the train instead of the bus.

2. Someone must have forgotten to lock the door.

3. They have had/ owned this house for ten years.

4. At the end of the course, there was a big party.

5. The pop star that/ who/ whom we invited onto the chat show didn’t turn up.

6. Despite her saying that she would come, I don’t think she ever will.

7. No sooner had the plane left the airport than the accident happened.

8. Had you slept well last night, you wouldn’t feel tired now.

9. How long is it since you started the project ?

10. The church where their wedding will be held is lovely.

Ex4

1. My father doesn’t play football anymore

2. I was given a present on my last birthday

3. She suggests going swimming

4. He invited me a cup of tea

5. If we had had a map, I wouldn’t got lost in the jungle

6. I haven’t seen Bob since I was in Ho Chi Minh City

7. It takes three hours to drive from Hanoi to Nam Dinh.

8. I wish you had told us about it

9. The owner of the house is thought to be abroad

10. The sea was too rough for the children to go swimming

26 tháng 1 2021

5. We got lost in the jungle because we didn't have a map.

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

6.I last saw Bob when I was in Ho Chi Minh City.

I haven't seen......................bod since i was in ho chi minh city........................ .................................................. ..

7. It is a three-hour drive from Hanoi to Namdinh.

It takes..........................three hours to drive from hanoi to namdinh................... .................................................. ............

8. It's a pity you didn't tell us about this.

I wish..................you had told us about this......................

13 tháng 8 2021

1.My mother used to play volleyball when she was young

My mother usually played volleyball when she was young

2."Let 's go fishing"

I suggest going fishing

3.Mike gave me a dress on my birthday

I was given  a dress on my birthday by Mike

4." Would you like orange juice"?

She offered me orange juice

5.I last sew Jenny when I was in Ha Noi city

I haven't seen Jenny since I was in Ha Noi city

Rerwite the following sentences that keep the same meaning. 1, What a pity you failed your driving test! I wish............................................................ 2, It's a pity that you're going away so soon. I wish ........................................................... 3, I'm sory I didn't phone him yesterday. I wish...................................................... 4, She knows a lot more about it than I do . I don't...
Đọc tiếp

Rerwite the following sentences that keep the same meaning.

1, What a pity you failed your driving test!

I wish............................................................

2, It's a pity that you're going away so soon.

I wish ...........................................................

3, I'm sory I didn't phone him yesterday.

I wish......................................................

4, She knows a lot more about it than I do .

I don't know..............................................

5, Jane is a better cook than Betty

Betty can't ..........................................

6, Tom is younger than he looks.

Tom isn't ..............................................

7, I didn't spend as much money as my friend did.

My friend...........................................

8, He doen't know them as well as I do.

I know................................................

9, It's still cold but it was cilder yesterday.

It's isn't..................................................

10, The children couldn't go simming because the sea was very rough.

The sea was too..........................................

11, We didn't have enoygh money , so we didn't go on holiday.

If we.............................................

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

If we.....................................................

13, The bridge was so low that the bus couldn't go under it.

If was..................................................

14, It was so late that nothing could be done.

If was too..............................................

15, He couldn't afford to by a car.

The car...........................................

mk đang cần gấp giúp mk với

1
7 tháng 7 2020

Rerwite the following sentences that keep the same meaning.

1, What a pity you failed your driving test!

I wish......................you hadn't failed yoru driving test......................................

2, It's a pity that you're going away so soon.

I wish ..........................you weren't going away so soon.................................

3, I'm sory I didn't phone him yesterday.

I wish........................i had phoned him yesterday..............................

4, She knows a lot more about it than I do .

I don't know............................as much about it as she does..................

5, Jane is a better cook than Betty

Betty can't .................cook as well as Jane (can).........................

6, Tom is younger than he looks.

Tom isn't ....................as old as he looks..........................

7, I didn't spend as much money as my friend did.

My friend............spent more money than I did...............................

8, He doen't know them as well as I do.

I know......................them better than he does ..........................

9, It's still cold but it was cilder yesterday.

It's isn't........................as cold as it was yesterday ..........................

10, The children couldn't go simming because the sea was very rough.

The sea was too...............rough for the children to go swimming...........................

11, We didn't have enoygh money , so we didn't go on holiday.

If we........................had had enough money, we would have gone on holiday.....................

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

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

13, The bridge was so low that the bus couldn't go under it.

It was....................such a low bridge that the bus couldn't go under it..............................

14, It was so late that nothing could be done.

It was too................late to do anything..............................

15, He couldn't afford to buy a car.

The car....................was too expensive for him to afford.......................

7 tháng 7 2020

bn vội đi đâu à bn viết ai chính tả kìa

yoru=>your

3 tháng 11 2018

viết lại các câu bắt đầu bằng '' I wish''

1 I'd like to have a bigger house

i wish i had a big house

2 I'd like they to keep quiet

i wish they kept quiet

3 you have to clean the floor after meals

i wish you cleaned the floor after meals

4 I'm sorry that i didn't to the homework last night

i wish i had done the homework last night

5 It's a pity that you didn't tell me about that

i wish you had told me about that

6 I regret staying up late last night

i wish i hadn't stayed up late last night

7 I'm sorry that you can't join in the trip with us

i wish you could join in the trip with us

8 the weather was very cold, so we couldn't go swimming

i wish the weather hadn't been very cold

9 you have making too much noise

i wish you didn't make too much noise

10 I'd love to speak many languages

i wish i spoke many languages

3 tháng 11 2018

viết lại các câu bắt đầu bằng '' I wish''

1 I'd like to have a bigger house

I wish I had a bigger house.

2 I'd like they to keep quiet

I wish they kept quiet.

3 you have to clean the floor after meals

I wish I didn't have to clean the floor after meals.

4 I'm sorry that i didn't to the homework last night

I wish I had done the homework last night.

5 It's a pity that you didn't tell me about that

I wish you had told me about that.

6 I regret staying up late last night

I wish I hadn't stayed up late last night.

7 I'm sorry that you can't join in the trip with us

I wish you could join in the trip with us.

8 the weather was very cold, so we couldn't go swimming

I wish the weather hadn't been very cold, so we could go swimming.

9 you have making too much noise

I wish you hadn't been making too much noise.

10 I'd love to speak many languages

I wish I spoke many languages.

I. Passive voice ( viết câu bị động) 1.A lot of things must be done to clean up this river. 2.That course hasn't been taught by Professor River this semester. 3. My house isn't painting because it is raining. 4. This paper is read by millions of people every day. 5. has the date of the meeting been changed? 6. This kind of work has never been done by Maria before. 7. That problem wasn't referred to at the last meeting. 8.My money is stolen from my purse this morning. 9. Money...
Đọc tiếp

I. Passive voice ( viết câu bị động)

1.A lot of things must be done to clean up this river.

2.That course hasn't been taught by Professor River this semester.

3. My house isn't painting because it is raining.

4. This paper is read by millions of people every day.

5. has the date of the meeting been changed?

6. This kind of work has never been done by Maria before.

7. That problem wasn't referred to at the last meeting.

8.My money is stolen from my purse this morning.

9. Money is usually changed at that bank.

10. I was taken to school by my father every day when I was small.

II.If clause (type 3)

1. We got to the station in time to catch the train. If we _______ (miss) it, we_______(be) late for the meeting.

2.I took a taxi to the hotel but the traffic was very bad. It_____(be)quicker if I _____(walk).

3.if she (not/fail)_____one of her final exams she wouldn't have had to spend part of the summer in college.

4.Mary and I weren't able to go on a honeymoon. We(can/go)______away if my father(not/get sick)______.

5. The accident was your fault. If you (drive)____more carefully, it (not happen)____.

6. If you had wored harder, you (pass)_____ you final exam.

7.It's good that you reminded me about Ann's birthday. I (forget)______if you (not reminded)______me.

8.If you (not ignore)______my advice, you ( not get into) _______ trouble yesterday morning.

9. If you (tell)______ me what was going to happen, I ( never do)_______such a foolish thing.

10.I(not invite)_______ John to the party if I (know)____ that you and he didn't get along well with each other.

11.I didn't go into busines with Sam. If I (go)______ into business with him, I (become)________ a success.

12. I got wet because I didn't take my umbrella. However, I (not/get wet)_____ if I (remember) _______to take my umbrella.

13.I'm doing the test very well now. I (not/do)_____ the test well if I (not/revise)______ thoroughly last night.

14.I'm broke, but I (have)_____ plenty of money now if I (not/spend)______ so much yesterday.

15. The view was wonderful. If I (have)______ a camera, I (take)_____some photos.

* Viết câu

16. He didn't prepare for the interview, so he didn't get the job.

17.we can home from our holiday early because we ram out of money.

18. I went to bed late. In the morning I felt tired.

19.The house didn't burn down because the fire brigade came immediately.

20.we left the party late. So we couldn't get a bus.

21. I took the job because I didn't know how difficult it was.

22. The woman didn't die because she received immediate medical attention.

23. Ann didn't pass the entrance examination, so she wasn't admitted to the university.

24. There was a test yesterday. You didn't know that, so you didn't study.

25.you got into so much trouble because you didn't listen to me.

26. The men were wearing protective clothing, so they were all quite safe.

27. It was raining yesterday afternoon,so I didn't go for a walk.

28. Rita is exhausted today because she didn't get any sleep last night.

29. Bob left his wallet at home this morninng, and how he dosen't have any money for lunch.

30.Joe got a ticket because he was driving too fast.

0
Complete the sentences using the words in bold . Use two to five words 1. will you ever think about finding a flat of your own ? time it's .......................................................about finding a flat of your own 2. look at how he lives-he thinks he's a millionaire if he lives ..................................................a millionaire 3. this summer , i would rather book a holiday in Monaco than Lyons prefer this summer , i...
Đọc tiếp

Complete the sentences using the words in bold . Use two to five words

1. will you ever think about finding a flat of your own ?

time it's .......................................................about finding a flat of your own

2. look at how he lives-he thinks he's a millionaire

if he lives ..................................................a millionaire

3. this summer , i would rather book a holiday in Monaco than Lyons

prefer this summer , i ...............................................................a holiday in Monaco rather than Lyons

4. why didn't you tell me yourself that you were leaving ?

rather i'd.....................................................me yourself that you were leaving

5. she wants to be more like her mother

wishes she...............................................................more like her mother

6. i should have taken that job in canada last year

only if.....................................................................that job in canada last year

7. you should have checked the oil before you set out

better it........................................................................you had checked the oil before you set out

8. i was about to buy the painting , when i realised it was a fake

if i would have brought the painting .......................................................it was a fake

9. i didn't see the tv programme because i didn't know it was on

known if......................................................the tv programme was on , i would have seen it

10. i think you should go on holiday

were if.............................................................., i would go on holiday

11. you shouldn't have told Sally my secret

told i'd............................................................... Sally my secret

12. you'd think he was a politician

though he behaves.......................................................................... a politician

13. you should be in bed now. it's late

went it's......................................................................to bed

14. it would have been better if you had passed on the message

only if..................................................................the message

15. if the teacher asked you to answer that question , what would you say?

asked suppose........................................................to answer that question , what would you say/

16. it's a pity it's a raining

stop i.....................................................................................raining

17. she couldn't tell you because she didn't know

would had.....................................................................told you

18. why did i listen to John? he always tells lies

listened if...................................................................to John. he always tells lies

19. we should have left by now if we don't want to miss the bus

time it's...............................................................if we don't want to miss the bus

20. i would have liked you to have informed my parents about my change of plan

rather i..........................................................................my parents about my change of plan

21. it would have been better if they had got the earlier train

only if.................................................................................the earlier train

22. you ought to have set a wedding date by now

time it's....................................................................a wedding date

2
4 tháng 3 2018

Complete the sentences using the words in bold . Use two to five words

1. will you ever think about finding a flat of your own ?

time it's ...............time you thought........................................about finding a flat of your own

2. look at how he lives-he thinks he's a millionaire

if he lives .....as if he were.............................................a millionaire

3. this summer , i would rather book a holiday in Monaco than Lyons

prefer this summer , i .................prefer to book..............................................a holiday in Monaco rather than Lyons

4. why didn't you tell me yourself that you were leaving ?

rather i'd.........rather you told............................................me yourself that you were leaving

5. she wants to be more like her mother

wishes she..........wishes she were.....................................................more like her mother

6. i should have taken that job in canada last year

only if.....................................................................that job in canada last year

7. you should have checked the oil before you set out

better it...........'s better.............................................................you had checked the oil before you set out

8. i was about to buy the painting , when i realised it was a fake

if i would have brought the painting ................if I hadn't realised.......................................it was a fake

9. i didn't see the tv programme because i didn't know it was on

known if.................i had known.....................................the tv programme was on , i would have seen it

10. i think you should go on holiday

were if........i were you......................................................, i would go on holiday

11. you shouldn't have told Sally my secret

told i'd.......................rather you hadn't told...................................... Sally my secret

12. you'd think he was a politician

though he behaves.............as though he were............................................................. a politician

13. you should be in bed now. it's late

went it's.......time you went...............................................................to bed

14. it would have been better if you had passed on the message

only if.......only ...you had passed on........................................................the message

15. if the teacher asked you to answer that question , what would you say?

asked suppose.......that you were asked.................................................to answer that question , what would you say/

16. it's a pity it's a raining

stop i..............wish it would stop......................................................................raining

17. she couldn't tell you because she didn't know

would had..........she known, she would have...........................................................told you

18. why did i listen to John? he always tells lies

listened if...................................................................to John. he always tells lies

19. we should have left by now if we don't want to miss the bus

time it's..........time we left .....................................................if we don't want to miss the bus

20. i would have liked you to have informed my parents about my change of plan

rather i........would rather you had informed..................................................................my parents about my change of plan

21. it would have been better if they had got the earlier train

only if.........only they had got........................................................................the earlier train

22. you ought to have set a wedding date by now

time it's.......time you had set.............................................................a wedding date

4 tháng 3 2018

Complete the sentences using the words in bold . Use two to five words

1. will you ever think about finding a flat of your own ?

time it's ......time you thought............about finding a flat of your own

3. this summer , i would rather book a holiday in Monaco than Lyons

prefer this summer , i ...prefer book.....a holiday in Monaco rather than Lyons

4. why didn't you tell me yourself that you were leaving ?

rather i'd.........rather you told...........me yourself that you were leaving

5. she wants to be more like her mother

wishes she............wishes he were .....................more like her mother

7. you should have checked the oil before you set out

better it.....had better...you had checked the oil before you set out

8. i was about to buy the painting , when i realised it was a fake

if i would have brought the painting .....if i had realised.....it was a fake

9. i didn't see the tv programme because i didn't know it was on

known if..had known..the tv programme was on , i would have seen it

10. i think you should go on holiday

were if................I were you..........................., i would go on holiday

11. you shouldn't have told Sally my secret

told i'd....................better you told............................ Sally my secret

13. you should be in bed now. it's late

went it's...................time you went.....................................to bed

16. it's a pity it's a raining

stop i..................wish it would stop..............................raining

17. she couldn't tell you because she didn't know

would had.............she known,shw would have...............told you

19. we should have left by now if we don't want to miss the bus

time it's..........time we will have left by now.................if we don't want to miss the bus

20. i would have liked you to have informed my parents about my change of plan

rather i..........would rather you had informed.......my parents about my change of plan

22. you ought to have set a wedding date by now

time it's..............time you had set.................a wedding date

25 tháng 9 2017

Make conditonal sentences according to the facts provided

11) stop talking or you won't understand the lesson

IF YOU DON'T STOP TALKING , YOU WON'T UNDERSTAND THE LESSON

12) the boy is so young that he can't go to school

IF THE BOY WEREN'T YOUNG, HE COULD GO TO SCHOOL

13) without the our, we would die.

IF THERE WASN'T THE AIR, WE WOULD DIE.

14) without money, the would not have bought such a big house.

If he has had money, he would have bought such a big house

15) it was very cold yesterday,so we couldn't go swimming.

IF IT HADN'T BEEN VERY COL;D YESTERDAY , WE COULD HAVE GONE SWIMMING

16) i didn't wach tv last night because i was busy.

IF I HADN'T BEEN BUSY , I WOULD HAVE WATCHED TV LAST NIGHT

17) it's very cold so we can't go swimming

IF IT WEREN'T VERY COLD . WE COULD GO SWIMMING