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1. If my parents allowed me to go, I wouldn't have to stay at home.
2. If the computer hadn't broken down, I wouldn't have had to stop my work.
3. If she didn't love him, she wouldn't forgive he easily.
4. If you had often talked to them, they would have understood you.
5. If I had had a dictionary, I could have looked the word up.
6. If Sandra had got her camera, she could take a photo.
7. If I didn't have to work tomorrow evening, I would meet you.
8. If it hadn't been raining, we could have had lunch in the garden.
9. If Susan had got a watch, she wouldn't be often late for work.
10. If he didn't smoke forty cigarettes a day, he wouldn't cough a lot.
11. If I had a boat, I would sail around the world.
12. If they had had a garden, they would have grown vegetables.
13. If I had known his address, I would have given it to you.
14. If the doctor hadn't been so late, he could have seen many patients.
1. He learnt English when he was 18
-> He has............learnt english since he was 18................................
2. He started living in HCM City when he was 8
-> He has......lived in HCM City since he was 8.........................................................
3. Lan hasn't written to Maryam for a month.
-> Lan didn't...........write to Maryam a month ago....................................................................
4. He has lived in Ha Noi since he was 12.
-> He started......living in Ha Noi when he was 12...............................................................
5. I haven't met her for a long time.
-> I didn't...........met her a long time ago.........................................................
6. How long have you learnt English?
-> How long ago........did you learn english..........................................
7. The last time we went to London was two years ago.
-> We haven't........gone to London for two years...................................................
8. It's necessary for us to drive so fast.
-> Driving.......so fast is necessary for us ..............................
9. It was the bad news that Helen burts into tears.
-> The news........is so bad that Helen burts into tears..................................................
10. They have given her a bunch of flowers.
-> A bunch of flowers.....have been given to her......................
Ex 1: Supply the correct form of the word
6. My house is on the top of a hill so it is ___windy____ in the fall WIND
Ex 2: Rewrite the following sentences
1. He learnt English when he was 18
-> He has....learnt English since he was 18 ......
2. He started living in HCM City when he was 8
-> He has.....lived in HCM City since he was 8 ....
3. Lan hasn't written to Maryam for a month.
-> Lan didn't........write to Maryam a month ago ......
4. He has lived in Ha Noi since he was 12.
-> He started.......living in Ha Noi when he was 12 ....
5. I haven't met her for a long time.
-> I didn't......meet her a long time ago .........
6. How long have you learnt English?
-> How long ago.....did you learn English?...
7. The last time we went to London was two years ago.
-> We haven't......been to London for two years ........
8. It's necessary for us to drive so fast.
-> Driving.....so fast is neccessary for us ........
9. It was the bad news that Helen burts into tears.
-> The news......was so bad that Helen burts into tears .............
10. They have given her a bunch of flowers.
-> A bunch of flowers.......has been given to her.........
11. They need to paint these pieces of furniture.
-> These pieces of furniture......need painting ......
12. It's three years since I last spoke to her.
-> I....haven't spoken to her for three years ..........
13. He was delighted to receive his aunt's letter.
-> He was delighted that he.......received his aunt's letter .....
14. They will show the time machine to the public when they finish it.
-> The time machine.........will be shown to the public when they finish it ....
15. Please don't interrupt me while I am speaking.
-> I'd rather.......you didn't interrupt me while I am speaking......
16. Get up now or you'll be late for school.
-> If.....you don't get up now, you will be late for school ...
17. People should stop experiments on animals.
-> Experiments.....on animals should be stopped by people .........
18. Mandy is excited about going to Greece on holiday.
-> Mandy is looking.....forward to going to Greece on holiday .....
19. The dentist will have to take out the infected tooth.
-> The infected tooth........will have to be taken out by the dentist.......
20. I felt tired after a long trip, so I went to bed early.
-> Feeling tired...after a long trip, so I went to bed early .....
21. They made him sign a papet admitting his guilt.
-> He was.......made to sign a papet admitiing his guilt .......
22. We couldn't drive because of the fog.
-> The fog prevented.......us from driving .......
23. We felt bored because of his long speech.
-> His long speech.....made us feel bored ...
I.
1. How long have they lived in this neighborhood.
-> When did you live in this neighborhood?
2. How long is it since you saw Tom?
-> When did you see Tom?
3. How long is it since they bought the house?
-> When did they buy the house?
II.
1. The last time she visited me was five mounths ago
-> she hasn't visited me for five months.
2. The last time it rined here was a fortnight ago.
-> It hasn't rained here for a fortnight.
3. The last time We saw her was 2 months ago .
-> We haven't seen her for 2 months.
4. The last time we went there was in 1997
-> We haven't gone there since 1997.
5. The last time I saw him was in 1995
-> I haven't seen him since 1995.
I. Dùng NEVER viết lại câu với hình thức đảo ngữ
1. She had never been so happy before
=>Never before had she been so happy before.
2. I have never heard such nonsense!
=> Never have I heard such nonsense!
3. I have never seen such a mess in my life.
=>Never had I seen such a mess in my life.
4. Our profits this year are higher than they have ever been.
=> Never have our profits been higher than the profits this year.
5. She would never again trust her own judgement when buying antiques.
=> Never again would she again trust her own judgement when buying antiques
6. The film had never before laid on such a sumptuous celebration.
=> Never before had the film before laid on such a sumptuous celebration.
7. I've never come across such a horrifying fịlm
=>Never have I come across such a horrifying film.
8. I've never been so moved by a Shakespeare production.
=> Never have I been so moved by a Shakespeare production.
9. I never for one moment thought the consequences would be so far-reaching.
=> Never for one moment did I for one moment think the consequences would be so far-reaching.
10. I had never tasted such a wonderful cômbinatin of flavours before.
=>Never before had I tasted such a wonderful combination of flavours before.
II. Dùng RARELY, SELDOM hoặc LITTLE viết lại câu với hình thức đảo ngữ
1. One rarely finds good service these days.
=> Rarely does one find good service these days.
2. She has rarely travelled more than fifty miles from her village.
=> Rarely has she travelled more than fifty miles from her village.
3. It is very unusual for a military campaign to have been fought with so little loss of life.
=> Seldom has a military campaign been fought with so little loss of life.
4. It is unusual for the interior of the island to be visited by tourists.
=> Seldom is the interior of the island visited by tourists.
5. Public borrowing has seldom been so high.
=> Seldom has Public borrowing been so high.
6. They had seldom paripated in such a fascinaating ceremony.
=> Seldom had they paripated in such a fascinaating ceremony.
7. They little suspected that the musical was going to be a runaway success.
=> Little did they suspect that the musical was going to be a runaway success.
8. The embassy staff little realized that Ted was a secret agent.
=> Little did the embassy staff realize that Ted was a secret agent.
9. She didn't realize what would happen to her next.
=> Little did she realize what would happen to her next.
10. I didn't think that one day I'd be appearing in films rather than just watching them.
=> Rarely did I think that one day I'd be appearing in films rather than just watching them.
I. Dùng NEVER viết lại câu với hình thức đảo ngữ
1. She had never been so happy before.
=> Never before…………had she been so happy.…………………
2. I have never heard such nonsense!
=> Never……have I heard such nonsense………………...
3. I have never seen such a mess in my life.
=> Never in my life…………have I seen such a mess in my life
………
4. Our profits have never been higher than they are this year.
=> Never…………have our profits been higher than they are this year………
5. The film had never before laid on such a sumptuous celebration.
=>Never………had the film laid on such a sumptuous celebration…………
6. I've never come across such a horrifying film.
=> Never…………… have I come across such a horrifying film.…………………………
7. I've never been so moved by a Shakespeare production.
=> Never……… have I been so moved by a Shakespeare production.……………………
10. I have never seen anyone in my life drink as much as you.
=> Never………… in my life have I seen anyone as much as you.…………
11. I'll never forget you.
=> Never …………… shall I forget you……………………………………………..
Ex1: Rewrite the following sentences so that the second sentence means exactly the same as the sentence before it:
1. Although she was not beautiful, she took part in a beauty contest.
-> She wasn't beautiful but she took part in a beauty contest.
2. It was raining, so we decided to postpone our camping.
-> Since it was raining, we decided to postpone our camping.
3. She wants them to sing a song.
-> She suggests they should singing a song.
4. She couldn't come to class because of her illness.
-> As she was ill, she couldn't come to class.
5. She couldn't join us because she was busy.
-> She was busy, so she couldn't join us.
6. Because of having a lot of difficulties, she managed to sell the house.
-> As she had a lot of difficulties, she managed to sell house.
7. Shall we go to the cinema tonight ?
-> What about going to the cinema tonight?
8. They requested us to leave the place at once.
-> They suggested we leaving the place at once.
9. I stay at home because it is raining.
-> As it is raining, I stay at home.
10. She was tired and therefore wanted to go home.
-> She wanted to go home because of tiring
Ex2: Complete the sentences using and / but / so / or / because:
1. I like Linda very much ..but... I don't like her brother.
2. I'd like to live somewhere by the Mediterranean ..because... I love the Sun.
3. We enjoy learning English ....so..... we find it very difficult.
4. I can't go out tonight ....because..... I am short of money.
5. She went to the theatre last night ....and.... had a wonderful time.
6. They can't walk home ......because...... it is very dark.
7. Would you like to drink milk .....or....coffee ?
8. It's raining heavily, ....so.... I can't go out.
9. He did the tests well ...and...I did, too.
10. His life was hard ....but... he studied very well.
Ex3: Use connectives to combine each pair of the sentences:
1. He is very tired. He has to finish his homework. (but)
-> He is very tired but he has to finish his homework.
2. The room is very small. It's quite comfortable. (although)
-> Althought the room is small, it's quite comfortable.
3. They went for a walk. The weather was bad. (but)
-> The weather was bad but they went for a walk.
4. Our teacher didn't arrive late. The traffic was terrible. (although)
-> Althought the trafic was terrible, our teacher didn't arive late.
5. I like watching TV. I like going to the cinema. (and)
-> I like watching TV and going to the cinema.
6. She wears glasses. She wants to see better. (because)
-> She wears glasses because she wants to see better.
Study well. 
1. He is very tired. He has to finish his homework. (but)
-> He is very tired but he has to finish his homework.
2. The room is very small. It's quite comfortable. (although)
->Although the room is very small, It's quite comfortable.
3. They went for a walk. The weather was bad. (but)
-> The weather was bad but they went for a walk.
4. Our teacher didn't arrive late. The traffic was terrible. (although)
-> Although the traffic was terrible, our teacher didn't arrive late.
5. I like watching TV. I like going to the cinema. (and)
-> I like watching TV and going to the cinema.
6. She wears glasses. She wants to see better. (because)
-> She wears glasses because she wants to see better.
1. This is the first time he went abroad.
=> He hasn't went abroad.
2. She started driving 1 month ago
=> She hasn't drived for 1 month
3. We began eating when it started to rain
=> We have eaten since it started to rain
4. I last had my hair cut when I left her.
=> I haven't cut my hair since I left her.
5. The last time she kissed me was 5 months ago
=> She hasn't kissed me for 5 months.
6. It is a long time since we last met.
=> We haven't met for a long time
7. When did you have it?
=> How long have you had it?
8. This is the first time I had such a delicious meal.
=> I haven't had such a delicious meal.
9. I haven't seen him for 8 days
=> The last day I've seen him was 8 days ago.
10. I haven't taken a bath since Monday
=> It is Monday since I took a bath.
1. we are worried becuase we have to live very far from our parents
=> we wish we didn't have to live very far from our parents
2 . that old keyboard is not worth repairing
=> it is pointless to repair that old keyboard
3 . they said we couldn't look at the house
=> they didn't allow us to look at the house.
4 . i prefer to go by myself
=> i would rather went by myself
5. i went away , so he had to solve the problem
=> i left away, so he had to solve the problem
6. i was never shown how to operate that machine
=> at not time did I show you how to operate that machine
7. i can hardly understand a word of this
=>i ( difficulty) have difficulty in understanding a word of this.
1)This is the first time he went abroad.
=> He hasn't ...........gone abroad before..................
2)She started driving 1 month ago.
=> She has .........been driving for 1 month.............
3)We began eating when it started to rain.
=> We have ........been eating since it stated to rain...........
4)I last had my hari cut when I left her.
=> I haven't ..........had my hair cut since I left her.............
5)The last time she kissed me was 5 months ago.
=> She hasn't ..........kissed me for 5 months..................
6)It is a long time since we last met
=> We haven't .........met each other for a long time............
7)When did you hve it?
=> How long ..........have you had it?............
8)This is the first time I had such a delicious meal.
=> I haven't ......had such a delicious meal before..............
9)I haven't seen him for 8 days
=> The last ..........time I saw him was 8 days ago..............
10)I haven't taken a bath since Monday
=> It is .........4 days since I took a bath..................
1. "Why don't you put better lock on the door, Barbara"? said John
=> John suggested.................. that Barry should put a better lock on the door.................................................................................
2. Although his both legs were broken in the crash, he managed to get out of the car before it exploded.
=> Despite his.............both broken legs, he managed to get out of the car before it exploded...........................................................................................
3. I haven't eaten this kind of food before.
=> This is the first........... time I have eaten this kind of food..................................................................................
4. The architect has drawn plans for an extension to the house.
=> Plans.......for an extension to the house have been drawn by the architect........................................................................................................
5. It isn't necessary for you to finish by Saturday
=> You................ don’t have to finish by Saturday....................................................................................
6. "How many survivors are there?", asked the journalist.
=> The journalist wanted to know..........how many survivors there were.............................................................
7. It was such rotten meat that it had to be thrown away.
=> The meat was......was so rotten that it had to be thrown away...........................................................
8. It is essential that Professor Van Helsing is met at the airport.
=> Professor Van Helsing............must be met at the airport.....................................................................
9. You can't visit the USA unless you have a visa.
=> If you.......don’t have a visa you can’t visit the USA..........................................................
10. "Can I borrow your typewriter, Janet"? asked Peter.
=> Peter asked if..........he could borrow Janet’s typewriter.............................................................
11. She started working as a secretary five years ago.
=> She has.......been working as a secretary for five years........................................................................
12. She knows a lot more about it than I do.
=> I don't know........so much about it as she does........................................................................
13. My French friend finds driving on the left difficult.
=> My French friend isn't.......used to driving on the left......................................................................
14. They think the owner of the house is abroad.
=> The owner.......of the house is thought to be abroad..............................................................................
15. We didn't go on holiday because we did not have enough money.
=> If we......had enough money we would have gone on holiday............................................................................................
16. The children couldn't go swimming because the sea was rough.
=> The sea was too........... rough for the children to go swimming .......................................................................
17. The mechanic serviced my car last week.
=> I......... got my car serviced by the mechanic last week...................................................................................
18. I'm always nervous when I travel by air.
=> Traveling..by air always makes me nervous......................................................................................................
19. He couldn't afford to buy the car.
=> The car...........was too expensive for him to buy................................................................................................
20. "Why don't you put your luggage under the seat?"he asked.
=> He suggested........that I should put my luggage under the seat ...............................
21. Although he had a good salary, he was unhappy in his job.
=> In spite of............... his earning a good salary, he was unhappy in his job..............................................................................
22. I'm sorry I missed your birthday party.
=> I wish.......hadn’t missed your birthday party...................
23. They haven't cleaned the streets this week.
=> The streets.......haven’t been cleaned this week.........
24. Apples are usually cheaper than oranges.
=> Apples are not........usually as expensive as oranges...........
25. I advice you to put your money in the bank.
=> You'd.........better put your money in the bank...............
26. That restaurant is so dirty that no one wants to eat there.
=> It is such...........a dirty restaurant that no one wants to eat there..............................
27. I'll pick the children up if you like.
=> Would you....mind if I pick up the children ?.................................
28. He objected to the fact that his secretary came to work late.
=> He was annoyed..... about his secretary coming late to work..........................
29. Tom is the most industrious pupil.
=> No other pupil......is as industrious as Tom............
30. She isn't accustomed to life in London
=> She's not used to....... to living in London.................
31. "Don't forget to phone the office,"she told him.
=> She reminded.....him to phone the office...............
32. I'm afraid I haven't got time to listen to you.
=> I wish........ I had time to listen to you..................
33. The police has just released John.
=> John...........has just been released by the police................................................................................................
34. I couldn't hear them because they were speaking too softly.
=> They were speaking.... too softly for me to hear .....
35. We spent 5 hours getting to London.
=> It took....us 5 hours to get to London....
36. I get to work in 20 minutes.
=> It ...me 20 minutes to get to work................
37. It is necessary that this work be finished by Monday.
=> This work.. must be finished by Monday.......
38. It's a pity I didn't take my doctor's advice.
=> I wish........ I had taken my doctor’s advice........
39. The bread is so tale we can't eat it.
=> The bread isn't.... fresh enough to eat.......
40. Who does this bag belong to?
=> Whose..bag is this ?......
41. My boyfriend is very short-tempered.
=> My boyfriend loses....his temper very easily......
42. You can use it as long as you like, and it won't wear out.
=> No matter........ ...........how long you use it , it won’t wear out.................................................................................
43. If the work is finished by lunchtime you can go home.
=> Get...........the work finished by lunchtime and you can go home..........................................................................................
44. How have you been getting on with your enquiries?
=> How much.......progress have you made with your enquiries?......
45. I gave Ted the massage, but he already knew about it.
=> I needn't....have given Ted the massage, because he already knew about it......
46. The trains couldn't run because of the snow.
=> The snow......prevente the trains from running...................................................................
47. I didn't arrived in time to see him.
=> I wasn't early.......... enough to see him..........................................................
48. I'm sorry I was rude to you yesterday.
=> I apologize........ for being rude to you yesterday................................................................
49. She didn't hurry, so she missed the train.
=> If................ she had hurried, she would have caught the train..................................................................
50. Barbara is the best tennis-player in the club.
=> No one...........in the club is better at tennis than Barbara.................................................................
1. I have never heard him shout at his children.
-> He has never been heard about shouting at his children.
2. We have been doing our work since 8 o'clock.
-> Our work has been done since 8 o'clock.
3. I regret speaking to him so severely yesterday.
-> I wish I hadn't spoken to him so severely yesterday.
4.Unless he phones immediately, he won't get any imformation.
-> If he doesn't phones immediately, he won't get any information.
5. The sky was so clear that i could see millions of stars.
-> It was such clear sky that I could see millions of stars.
6. It's a long time since i last went to a football match.
-> I haven't gone to a football match for a long time.
7. It was such long homework that i couldn't finish it.
-> The homework was so long that I couldn't finish it.
8. We had lunch and then went for a walk by the river.
-> After we had had lunch, we wnt for a walk by the river.
9. Although it was raining heavily, they still came to the party.
-> Despite the heavy rain, they still came to the party.
10. They had no intention of traveling around the world.
-> They didn't intend to travel around the world.
1. I have never heard him shout at his children.
-> He has never been heard to shout at his children.
2. We have been doing our work since 8 o'clock.
-> Our work has been done since 8 o'clock.
3. I regret speaking to him so severely yesterday.
-> I wish i hadn't spoken to him so severely yesterday.
4.Unless he phones immediately, he won't get any imformation.
-> If he doesn't phone immediately, he won't get any imformation.
5. The sky was so clear that i could see millions of stars.
-> It was such a clear sky that i could see millions of stars.
6. It's a long time since i last went to a football match.
-> I haven't gone to a football match for a long time
7. It was such long homework that i couldn't finish it.
-> The homework was so long that i couldn't finish it.
8. We had lunch and then went for a walk by the river.
-> After we had had lunch, we went for a walk by the river.
9. Although it was raining heavily, they still came to the party.
-> Despite the heavy rain, they still came to the party.
10. They had no intention of traveling around the world.
-> They didn't intend to travel around the world.