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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.
We didn’t go to her party last night
-> we wish..had gone to her party last night..
They think that she broke the vase
-> she....is thought to have broken the vase..
She has a good relationship with all the people working here-
>she gets..a good relationship with all the people working here...
omeone mended the new jeans for her yesterday
->She..was mended the new jeans yesterday....
It is reported that he has been injured
->He..is reported to have been injured ..
My English is not good so I can’t apply for this job( enough)
->my..English is not good enough for me to apply for this job...
When did you become interested in classical music
->How long...have you become interested in classical music?....
I last saw her 10 years ago
-> I haven’t......seen her for 10 years.
We couldn’t get home before 8pm because we missed the last bus
->if...we hadn't missed the last bus,We could have got home before 8pm..
I got up late this morning so I missed the bus
->if...I hadn't got up late this morning ,I wouldn't have missed the bus...
The book is too expensive, I can’t buy it now
->if..The book weren't too expensive, I could buy it now...
Her English is not very good so she can not join their club
->if..Her English were very good ,she could join their club...
He was hungry because he didn’t have breakfast this morning
>if...He hadn't been hungry,he would have had breakfast this morning..
Our mother is not here,we can’t start the party-
>if...Our mother were here,we could start the party-...
I have to learn English again because I didn’t learn it carefully at school
->if.....I had learned English carefully at school,I wouldn't have learned it again..
Last night I didn’t watch that film because I had to do so much at school
->if.....,I had done so much at school,Last night I would have watched that film,.
She got bad marks because she didn’t study hard
->if...she had studied hard,She wouldn't have got bad marks....
He wants to become a volleyball player but he is not tall enough
->if......he were tall enough,He would become a volleyball player...
I didn’t finish the homework this morning so my teacher was very angry
->if....I had finished the homework this morning , my teacher wouldn't have been very angry......
The house is too expensive,we can’t buy it now
->if.....The house weren't too expensive,we could buy it now....
Her Japanese is not very good so she doesn’t apply for that job
->if.....Her Japanese were very good ,she would apply for that job......
He missed the bus this morning because he got up late
->if.....he hadn't got up late,He wouldn't have missed the bus this morning.....
Our teacher is not here,we can’t have a short break now
->if.......Our teacher were here,we could have a short break now...
I don’t understand this lesson because I missed the class yesterday
->if......I hadn't missed the class yesterday,I would understand this lesson....
Last night I watched TV so late and now I am very tired
->if....Last night I hadn't watched TV so late ,now I wouldn't be tired.....
She failed the exam because she didn’t study hard-
>if......she had studied hard,She wouldn't have failed the exam......
He can’t join our club because he is not tall enough
->if..he were tall enough,He could join our club....
1. I haven't got money , so I'm not going on holiday
-> If I haven't got money , I am not going on holiday
2. He often gets bad marks because he is lazy
-> If he lazy , he will often get bad marks
3. Do it now , or you will not finish it on time
-> If you don't do it now, you won't finish it on time
4. Hurry up , or we will be late for the exam
-> If we are not hurry , We will be late for the exam
5. Be quiet , or you will not understand the lesson
-> If you are not be quiet , you will not understand the lesson
6. They do not understand you because you do not often talk to them
-> If you don't talk to them , they won't understand you
7. The office may be closed , so Mark won't be able to get in
-> If the office may be closed , Mark won't be able to get in
8. You can't look the work up because you haven't got a dictionary
-> If you haven't got a book , you can't look the work up
9. He didn't hurry , so he missed the train
-> If he đin't hurry , He would miss the train
10. We canceled our picnic because it rained very hard yesterday
-> If it rained very hard yesterday , we would cancele our picnic
11. I wasn't at home yesterday , I didn't see my old friends
-> If I didn't see my old friends , I would not at home yesterday
12. They don't behave themselves so their parents are not happy about that
-> If their parents are not happy about that, They don't behave themselves
13. She didn't say sorry so she was angry
-> If she was angry , she would not say sorry
14 . It raines last night so I didn't go to the barbecue
-> If I didn't go the the barbecue , It would rain last night
15. She doesn't play attention to her coooking so the food is horrible
-> If the food is horrible , She won't play attention to her cooking
16. The weather was very nice so we didn't go camping
-> If the weather was very nice , we wouldn't go camping
17. The computer broke down and I had to stop my work
-> If the computer broke down , I had stopped my work
18. She love him so she forgives him easily
-> If she love him , she will forgive him easily
Chúc bạn học tốt 
1. I haven't got money , so I'm not going on holiday
- If I had enough money I would go on holiday.
2. He often gets bad marks because he is lazy
-> If he isn't lazy, He will not get bad marks.
3. Do it now , or you will not finish it on time
-> If you don't do it now, you won't finish it on time.
4. Hurry up , or we will be late for the exam
-> If we don't hurry up, we will be late for the exam.
5. Be quiet , or you will not understand the lesson
-> If you weren't quite, you won't understand the lesson.
6. They do not understand you because you do not often talk to them
-> If you often talk to them, they will understand you.
7. The office may be closed , so Mark won't be able to get in
-> If the office are closed , Mark won't be able to get in.
8. You can't look the work up because you haven't got a dictionary
-> If I had a dictionary, I could look the word up.
9. He didn't hurry , so he missed the train
-> If he had hurried , he wouldn't have missed the train .
mấy câu nữa tối làm
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……………………………………………..
I.Complete the second sentence so that it has a similar meaning to the first :
1.Ann felt hot in her coat, so she took it off ( supply the missing word )
2.I haven't got a key, so I can't get in.
-> If I got a key, I could get in
3.Remember to take care of this tree or it will die.
-> If you don't remember to take care of this tree, it will die
4.The reason why I woke up late this morning was that I had a headache last night.
-> I woke up late this morning because I had a headache last night
5.I don't stay up late anyone.
-> I used to stay up late
6.What a pity you can't take part in our tour.
-> I wish you could take part in our tour
7.The air isn't pure, so we aren't healthy.
-> If the air were pure, we would be healthy
8.We spoke to the man. He was very humorous.
-> The man whom we spoke to was very humorous
9.His parents are both retired. They now live in Japan.
-> His parents, who live in Japan now, are both retired
10.They asked me some different questions at the interview.
-> I was asked some different questions at the interview
11.We don't visit you very often because you live so far away.
-> If you didn't live so far away, we would visit you very often
12.I don't find it's difficult to get up early in the morning.
-> I am used to getting up early in the morning
13.Jack doesn't buy a new car because he doesn't have enough money.
-> If Jack had enough money, he would buy a new car
14.It's a pity that I can't go with you.
-> I wish I could go with you
15.You must plan your work carefully.
-> Your work must be planned carefully
16.I am very busy. I can't go with you.
-> If I weren't very busy, I could go with you
17.Matthew is very good at tennis.
-> Matthew plays tennis very well
18.They will translate this book into Vietnamese.
-> This book will be translated into Vietnamese
19.Someone stole all our money and passports.
-> All our money and passports were stolen
20.I'm sorry I can't play the piano.
-> I wish I could play the piano
21.They built the church in 18th century.
-> The church was built in 18th century
22.I'm fed up with this rain.
-> I wish ( it / stop / rain ) it stopped raning
23.It's a difficult question.
-> I wish ( I / know / answer ) I knew the answer
24.It is freezing today.
-> I wish ( it / not / be / cold ) it weren't cold
I.Complete the second sentence so that it has a similar meaning to the first :
1.Ann felt hot in her coat, so she took it ......out............ ( supply the missing word )
2.I haven't got a key, so I can't get in.
-> If I had a key, I could get in.
3.Remember to take care of this tree or it will die.
-> If you don't take care of this tree, it will die.
4.The reason why I woke up late this morning was that I had a headache last night.
-> I woke up late this morning because of the headache last night.
5.I don't stay up late anyone.
-> I used to stay up.
6.What a pity you can't take part in our tour.
-> I wish you could take part in our tour.
7.The air isn't pure, so we aren't healthy.
-> If the air is pure, we will be healthy.
8.We spoke to the man. He was very humorous.
-> The man talking to us was very humorous.
9.His parents are both retired. They now live in Japan.
-> His parents, ..........................................................................
10.They asked me some different questions at the interview.
-> I was asked some different questions at the interview.
11.We don't visit you very often because you live so far away.
-> If you live near us, we can visit you very often.
12.I don't find it's difficult to get up early in the morning.
-> I am used to getting up early in the morning.
13.Jack doesn't buy a new car because he doesn't have enough money.
-> If Jack had enough money, he could buy a new car.
14.It's a pity that I can't go with you.
-> I wish you could go with us.
15.You must plan your work carefully.
-> Your work must be plannes carefully.
16.I am very busy. I can't go with you.
-> If I were not busy, I could go with you.
17.Matthew is very good at tennis.
-> Matthew plays tennis very well.
18.They will translate this book into Vietnamese.
-> This book will be translated into Vietnamese.
19.Someone stole all our money and passports.
-> All our money and passports were stolen.
20.I'm sorry I can't play the piano.
-> I wish I could play the piano.
21.They built the church in 18th century.
-> The church was built in the 18th century.
22.I'm fed up with this rain.
-> I wish ( it / stop / rain ) it stopped raining.
23.It's a difficult question.
-> I wish ( I / know / answer ) I knew the answer.
24.It is freezing today.
-> I wish ( it / not / be / cold ) it were not cold today.
Ex1:Complete the second sentence so that it has similar meaning to the first sentence
1>The soil is poisoned because,farmers use too many pesticides and herbicides.
-If.............................famers used too many pesticides and herbicides, the soil would be poisoned ...............................................................................................
2>I can't help you unless you tell me what's wrong.
-If....................................you don't tell me what's wrong , I can't help you ......................................................................................
3>Many people have stomachache due to the contaminated food.
-The food..............................is contaminated so many people have stomacchache ....................................................................
4>Stop swimming in that lake,or you will have skin rashes.
-If...................................you don't stop swimming on that lake, you will have skin rashes........................................................................
5>John lives in the area affected by air pollution,so he has breathing problem.
-Because....................................John lives in the area affested by air pollution, he has breathing problem........................................................................
-If.................................John didn't live in the area affected by air pollution, he wouldn't have breathing problem........................................................................................
6>We use eco-friendly products and we can protect environment.
-It we...........................................use eco-friendly products, we can protect environment.......................................................................
7>I think you should volunteer to clean the beach.
-If I were....................................you, I would volunteer to clean the beach.............................................................
8>The air is polluied,so there are breathing problems(leads).
-> The air pollution leads to breathing problems
9>Their children have birth defects because the parents were exposed to radiotion(so)
-> The parents were exposed to radiotion so their children have birth defects
1 I'm busy so i can't go out with my friends
➞ If i had free time, i could go out with my friends
2 He plays soccer well so he can take part in the Games
➞ If he plays soccer well, he can take part in the Games
3 She can't go to the party because i don't invite her
➞ If i invited her, she could go to the party
4 I can't get a job easily because I don't have a degree
➞ If i had a degree, i could get a job easily
5 He doesn't have enough money , so he doesn't buy a house
➞ If he had enough money, he would buy a house
6 It is raining heavily so we can't go to the market
➞ If it weren't raining heavily, we could go to the market
7 He will go to watch the World Cup because he is studying in Russi
➞ If he studies in Russi, he will go to watch World Cup
8 I didn't talk to him because i didn't know him
➞ If i had knonw him, i would have talked to him
9 John didn't have money so he couldn't lend you some
➞ If he had had money, he could have lent you some
10 We couldn't go out because the weather was so bad
➞If the weather hadn't been so bad, we could have gone out
11 Mary didn't wear the raincoat, so she got a cold
➞If Mary had worn the raincoast, she wouldn't have got cold
12 Marry was injured in the crash because she wasnot wearing the seat belt
➞ If Marry had been wearing the seat belt, she wouldn't have been injured in the crash
13 Carol didn't answer the phone because he was studying
➞ If Carol hadn't been studying, he would have answered
14 You didn't eat breakfast, so you are hungry now
➞If you had eaten breakfast, you wouldn't be hungry now
15 I stayed up late last night, so i feel asleep now
➞If i hadn't stayed up late last night, i wouldn't feel asleep now
16 I can't retell the film now because i didn't watch it last night
➞If i had watched the film last night, i could retell it now
17 He is tired now because he drank too much yesterday evening
➞If he hadn't drunk too much yesterday evening, he wouldn't be tired now
18 I bought the car yesterday, so I run out of money now
➝ If i hadn't bought the car yesterday, i wouldn't run out of money now
19 He didn't go to the class regularly, so he can't take part in the competition now
➞If he had gone to the class regularly, he could take part in the competition now
I.. FACT IN THE PAST -> IF CLAUSE ( TYPE 3)
1. I didn’t watch T.V last night because I was busy.
-> If I hadn't been busy, I would have watched T.V last night.
2. I didn’t see the signal,so I didn’t stop.
-> If I had seen the signal, I would have stopped.
3. We got lost because we didn’t have a map.
-> If we had had a map, we wouldn't have got lost.
4. We stayed up late last night and we were so tired.
-> If we hadn't stayed up late last night, we wouldn't have been so tired.
5. He wasn’t able to answer the questions, so he failed the exam.
-> If he had been able to answer the questions, he wouldn't gave failed the exam.
6. One of the reason I didn’t phone you was that I was very busy.
-> If I hadn't been very busy, I would have phone you.
7. Unfortunately, I didn’t have an umbrella and so I got wet in the rain.
-> If I had had an umbrella, I wouldn't have got wet in the rain.
8. Peter was very nervous and failed the driving test.
-> If Peter hadn't been very nervous, he wouldn't have failed the driving test.
9. I didn’t take a taxi because I didn’t have any money on me.
-> If I had had some money on me, I would have taken a taxi.
10. Without a visa, she couldn’t have come to that country.
-> If she hadn't had a visa, she couldn’t have come to that country.
II. FACT->WISH
1. I’m sorry I don’t have much money.
I wish I had more monney.
2. What a pity I missed an exciting football match on T.V last night.
I wish I hadn't missed an exciting football match on T.V last night.
3. What a pity Mary doesn’t understand me.
I wish Mary understood me.
4. I’m sorry I can’t speak English fluently.
I wish I could speak English fluently.
5. My friends don’t take part in the game.
I wish my friends took part in the game.
6. I’m sorry I get bad marks.
I wish I didn't get bad marks.
7. What a pity the weather isn’t fine today.
I wish the weather was fine today.
8. What a pity I missed an exciting football match on T.V last night.
I wish I hadn't missed an exciting football match on T.V last night.
9. I haven't got enough money to buy this book.
I wish I had got enough money to buy this book.
10. I’m afraid he won’t get over his illness soon.
I wish he would get over his illness soon.
11. I live in a big city, but I don’t like it.
I wish I didn't live in a big city.
12. I can’t take the trip to Hanoi with her next summer.
I wish I could take the trip to Hanoi with her next summer.
13. Mary is afraid she won’t be able to attend your wedding next week.
I wish Mary would be able to attend your wedding next week.
14. I’m sorry I didn’t finish my homework.
I wish I had finished my homework.
15. Tom bought the second- hand car.
I wish Tom hadn't bought the second-hand car.
16. She won’t come with me.
I wish she would come with me.
17. Nam is sorry now that he didn’t accept the job.
Nam wishes he had accepted the job.
18. I regret that you didn’t give me a chance to tell the truth.
I wish you had given me a chance to tell the truth.
19. He is sorry now that he didn’t invite Molly to his party.
I wish he had invited Molly to his party.
20. Daisy didn’t go swimming with me.
I wish Daisy had gone swimming with me.
thank you