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1. Take exercise regularly and you will feel healthier.
-> If you take exercise regularly, you will feel healthier
2. Leave now, or you'll be late for class
. -> If you don't leave now, you'll be late for class
3. You go to bed now, or your cold will get worse.
-> If you go to bed now, your cold won't get worse
4. Save electricity, or you'll pay much per month.
-> If you don't save electricity, you will pay much per month
5. Unless he phones now, he'll get no information
. -> If he phones now, he will get information
6. Don't try to clean this cloth, or it may lose its color.
-> If you clean this cloth, it may lose its color
7. Water these plants properly, or they won't grow well
. -> If you don't water these plants properly, they won't grow well
8. Study hard, or you'll fail in the next exam.
-> If you don't study hard, you'll fail in the exam
9. Emma may miss the train. But she can get the next one.
-> If Emma misses the train, she can get the next one
10. The children mustn't go near Nick's dog. It'll bite them.
-> If the children go near Nick's dog, it'll bite them
11. He should study medicine and surgery because he wants to be a doctor.
-> If he wants to be a doctor, he should study medicine and surgery
12. He will not get good grades because he doesn't prepare his lesson carefully
→If he doesn't prepare his lesson carefully, he will not get good grades
13. My uncle can't buy that house because he is poor.
-> If my uncle weren't poor, he could buy that house
14. He can't speak English well because he has no chance to practice
-> If he had a chance to practice, he could speak English well
15. Kate won't come to the party because she is sick
-> If Kate weren't sick, she would come to the party
16. She doesn't have tickets, so she won't take us to the zoo.
-> If she had tickets, she would take us to the zoo
17. My friend can't join the trip, so he won't write to me
-> If my friend could join the trip, he would write to me
18. It isn't fine now, so we won't have a picnic in the meadow
-> If it were fine now, we would have a picnic in the meadow
19. We don't have a bicycle, so we don't go there for a picnic
-> If we had a bicycle, we would go there for a picnic
20. She is not on board now, so she can't experience these marvelous
-> If she were on board now, she could experience these marvelous
21. We don't have enough money to go on holiday
-> If we had enough money, we would go on holiday
22. You are not tall enough to reach that shelf
-> If you were tall enough, you could reach that shelf
23. You should work hard on the pronunciation
-> If I were you, I would work hard on the pronunciation
24. You shouldn't tell him the truth.
-> If I were you, I wouldn't tell him the truth
25. I think you shouldn't play games too much.
-> If I were you, I wouldn't play games too much
26. I think you should spend less money on luxurious phones.
-> If I were you, I would spend less money on luxurious phones.
1. Turn off all the lights and you will not pay more money.
If you turn off all the lights, you will not pay more money
2. Unless she wears warm clothes, she will have a cold.
If she doesn't wear warm clothes, she will have a cold
3. Be careful or you may have an accident.
If you aren't careful, you may have an accident
4. phone your parents or you have a trouble.
If you don't phone your parents, you will have a trouble
5. Unless she whispers, everyone knows what she is saying.
If she doesn't whispers, everyone knows what she is saying
6. Stay here and you will feel save.
If you stay here, you will feel safe
7. Pay electricity bill today or your electricity will be cut off.
If you don't pay electricity bill today, your electricity will be cut off
8. Stop smoking otherwise your cough may be worse.
If you don't stop smoking, your cough may be worse
9. Unless we use less fossil fuel, they will be run out soon.
If we don't use less fossil fuel, they will be run out soon
10. Unless it stops raining today, we may be faced with a serious flood.
If it doesn't stop raining today, we may be faced with a serious flood
1. Recycle and we will save natural resources.
→ If we recycle, we will save natural resources.
2.Hurry up or you will be late for work
→ If you don't hurry up, you will be late for work
→ Unless you hurry up, you will be late for work
3. Don’t leave the lights all night or you’ll waste electricity.
→ If you leave the lights all night, you’ll waste electricity.
4. You can improve your English by practicing speaking English every day.
→ If you practice speaking E everyday, you can improve your ENglish
5. Phone me tonight or he won’t get any information.
→ If he doesn't phone me tonight, he won’t get any information.
→Unless he phones me tonight, he won’t get any information.
6. “Where are you living now?” I said to him
→ I asked him where he was living then
7.“What do you do to improve your English?” the examiner asked me.
→ The examiner asked me what I did to improve my English
8. “Will you finish these reports for me tomorrow, Mary?” said Peter
→ Peter asked Mary if she would finish thóe reports for him the day after
9.“I must stay at home tonight to do my homework” said John.
→ John said he had to stay at home that night to do his homework
10. “You can use my telephone if you need it.” said Lan to me
→ Lan told me I could use her telephone if I needed it
Write a speech how to save energy to your house for your classmates. Use the following suggestions. (1 m)
1. Good afternoon, teachers and friends. I / member / class / and / this afternoon / I / tell / how / save / energy / my house.
Good afternoon, teachers and friends. I am a member of the class and this afternoon I will tell you how to save energy in my house.
2. Most of us use too much electricity in our house. You / reduce / amount / turn off / computer / when / you / not / use /.
Most of us use too much electricity in our house. You should reduce the amount by turning off the computer when you don't use it.
3. Most of us use too much electricity in our house. You / reduce / amount / prepare food carefully / before / turn / stove.
Most of us use too much gas in our house. You should reduce the amount by preparing food carefully before turning on the stove.
4. Most of us use too much electricity in our house. You / reduce / amount / keep / refrigerator door / closed.
Most of us use too much electricity in our house. You should reduce the amount by keeping the refrigerator door closed.
5. If / you / follow / simple rules / not only / you / save energy / but also / save money.
If you follow these simple rules, not only will you save energy but you will also save money.
Ex 1 : Viết lại câu dưới dạng câu điều kiện
1. You won’t lose weight if you eat so much,
If you didn't eat so much, you would lose weight.
2. Hurry up or you will be late for the last train.
If you don't hurry up, you will be late for the last train.
3. I will feel relaxed this weekend if I finish all my work by next Friday.
I won’t feel relaxed this weekend if I don't finish all my work by next Friday.
4. If you don’t deal with your stress, your health will suffer.
Unless you deal with your stress, your health will suffer.
5. Stress hormones will stay in your body if you don’t do some exercise.
Unless you do some exercise, stress hormones will stay in your body.
6. You will feel very stressed if you don’t try to relax.
You will feel very stressed unless you try to relax.
7. Keep silent or you’ll wake the baby up.
If you don't keep silent, you’ll wake the baby up.
8. Don’t go out in the rain because you’ll get wet.
If you go out in the rain, you’ll get wet.
9. I won’t enjoy the film if you aren’t with me.
Unless you are with me, I won’t enjoy the film
10. Stop talking or you won’t understand the lesson.
If you don't stop talking, you won’t understand the lesson.
11. You should take a map because you might get lost in those mountains.
In case you get lost in those mountains, you should take a map.
12. If Joe doesn't change his ways, he will end up in prison.
Unless Joe changes his ways, he will end up in prison.
13. If he doesn't work harder, he'll lose his job.
Unless he works harder, he'll lose his job.
14. Joan will stay on at school unless she finds a good job before September.
If Joan doesn't find a good job before September, she will stay on at school.
15. Unless someone has a key, we can't get into the house.
We can not get into the house if someone doesn't have a key.
16. I’ll call the teacher if you don’t leave me alone.
Unless you leave me alone, I’ll call the teacher.
17. When you ask me for the car, I will lend it to you.
Unless you ask me for the car, I will not lend it to you.
18. Don’t go out in the rain because you will get wet.
If you go out in the rain, you will get wet.
19. Walk faster or you will miss the bus.
If you don't walk faster, you will miss the bus.
20. I won’t enjoy the film if you aren’t with me.
Unless you are with me, I won’t enjoy the film.
21. You must leave home early or you will miss the flight
If you don't leave home early, you will miss the flight.
22. John will pass the driving exam if he isn’t nervous
Unless John is nervous, he will pass the driving exam.
23. They will go on holiday if they have time.
Unless they have time, they won't go on holiday.
24. You have to get up early or you will be late for school.
If you don't get up early, you will be late for school.
25. I'll only help you if you promise to try harder.
Unless you promise to try harder, I won't only help you.
26. He will take a taxi if it rains.
Unless it rains, he won't take a taxi.
27. Unless he phones immediately he won't get any information.
If he doesn't phone immediately, he won't get any information.
If the pollution goes on, what will happen?
- Air pollution will cause people to be sick, causing bad consequences for the environment such as bad air, floods, erosion and global warming, the world will end up like a second-hand junk-yard, with all of its treasures quite place
What could you do in your school/ house to minimize pollution?
- Not throw the litters away, put them into garbage bin, grow trees and keep school, house clean
How can you save energy in your house?
- Use of solar energy, use leds instead of fluorescent lights
What should you do to save water/ electricity at home?
- Turn off lights and fans when not in use, do not use water when not needed
What will you do to reduce garbage/ reuse paper/ save energy in the garbage?
+ Reduce garbage: Put garbage bins around the schoolyard, not throw trash onto the water,....
+ Reuse paper: Made to carton, kraft paper used for: envelopes, bags, ....
+ Save energy: Use intelligent bins recognize human identity, save energy
Rewrite the sentences without changing the meaning.
1. He can’t go out because he has to study for his exam.
→ If he didn't have to study for his exam, he could go out
2. She is lazy so she can’t pass the exam.
→ If she weren’t lazy, she could pass the exam.
3. He will pay me tonight; I will have enough money to buy a car.
→ If he pays me tonight, I would have enough money to buy a car.
4. He smokes too much; that’s why he can’t get rid of his cough.
→ If he didn't smoke too much, he would get rid of his cough
5. She is very shy, so she doesn’t enjoy the party.
→ If she weren’t shy, she could enjoy the party.
6. I get a work permit. I will stay for another month.
→ If I get a work permit, I will stay for another month
7. He doesn’t take any exercises. He is so unhealthy.
→ If he didn’t take any exercises, he is so unhealthy
8. We can’t get the ket because I don’t have the right change.
→ If I had the right change,we could get the ket
9. Study hard or you won’t pass the exam.
→ If you study hard, you would pass the exam
10. Don’t be impatient or you will make mistakes.
→ If you are impatient, you will make mistakes.
1. The river which flows through Ho Chi Minh City is the Sai Gon River.
2. Mr Phong who is supposed to be at the meeting hasn’t come yet.
3. Our solar system is in a galaxy which is called the Milky Way.
4. I come from a city which is located in the southern part of the country.
5. I’ve recently gone back to the town where I was born.
6. Do you know the name of the hotel where John is staying?
7. There are some words which are very difficult to translate.
8. What is the name of the man whose car you borrowed?
9. This watch which I have lost costs a lot of money.
10. We were given a lot of information most of the which was useless.
You won’t pay much per month if you save electricity.