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1.Keep quiet or you will wake the baby. → If you don't keep quiet, you will wake the baby.
2.Say no more, and you will understand the lesson. → If you stop talking, you will understand the lesson.
If you don't keep silent, you will wake the baby up
If you don't stop talking, you won't understand the lesson
If I know her number, I will ring her up
If I learn this subject, I will know the answer
If we have a map, we won't got lost
If Susan hadn't eaten 4 cream cakes, she wouldn't have felt sick
If the doctor had tried their best, the patient wouldn't have died
If he hadn't came to work late every day, he wouldn't have lost his job
If Peter doesn't eat so many chips, he won't be fat
If Robert hadn't started smoking cigarettes, he wouldn't have had a bad cough
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.
1. If you keep silent, you won't wake up the baby up.
or If you don't keep silent, you will wake the baby up.
2. If you don't stop talking, you won't understand the lesson.
or If you stop talking, you will understand the lesson.
3. If she doesn't complete the task, she will be punished.
4. If you may want a chat, you will call me( or give me a ring).
5. If you throw a stone into water, it will sink.
6. If you press this putton, you will stop this machine.
7. If you make me some coffee, I'll give you one of my biscuits.
8. If you take more exercise, that will be the way to get fit.
9. If you have to work tomorrow, I won't be able to meet you.
* Vì đây là chương trình Anh lớp 9 nên chưa nắm rõ, có gì sai sót mong AD thông cảm ạ *
Finish each of the following sentences in such a way that it is as similar as possible in meaning to the original sentence.
1. I didn’t know that you were in the hospital, so I didn’t visit you.
→ If I had known that you were in hospital, I would have visited you.
2. Hurry up or you will be late.
→ If you don't hurry up, you wil be late.
3. She is very busy, so she can’t help me now.
→ If she weren't very busy, she could help me now.
4. He didn’t phone me because he didn’t know my phone number.
→ If he had known my phone number, he would have phoned me.
5. You’re unfit because you don’t take exercise.
→ If you took more exercise, you would be fit.
6. Unless you are careful, you will cut yourself with that knife.
→ If you aren't careful, you will cut yourself with that knife.
7. If I have time, I’ll help you.
→ Unless I have time, I won't help you.
8. He didn’t study his lessons very carefully, so he gets bad marks now.
→ If he had studied his lesson very carefully, he wouldn't get bad marks now.
9. Dick often causes accidents because he drives carelessly.
→ Dick drove carefully , he wouldn't often cause accidents .
10. I can’t apply for that job because I don’t know English.
→ If I knew English, I could apply for that job.
1.If I had konwn tha you were in hospital, I would have visited you.
2.If you don't hunrry up, you will be late.
3.If she weren 't very busy, she could help my now.
4.If he had konwn my phone number, he would have phoned me
5.If you took exercise, you would be fit unfit.
6.If you are not,you will cut with that knife.
7.Unless I have time, I won't help you.
8.If he had studied his lessons very carefully, he woudn't get bad marks now.
9.If dick drove carefully, he wouldn't cause acciddent .
10.If I knew English, I could apply for that jop.
Make conditional sentences according to the facts provided.
1. Keep silent or you'll wake the baby up.
\(\Rightarrow\)If you don't keep silent , you'll wake the baby up.
2. Because you don't leave immediately, I call a policeman.
\(\Rightarrow\)If you leave immediately,I won't call a policeman.3. I don't know her number, so I don't ring her up.
\(\Rightarrow\)If i knew her number ,I could ring her up.4. Go right now or you'll be late for the train.
\(\Rightarrow\)If you don't go right now , you'll be late for the train.5. As she is often absent from class, she can't keep pace with her classmates.
\(\Rightarrow\)If she weren't absent from class she could keep pace with her classmates.
6. I couldn't write to Alice because I didn't know her address.
\(\Rightarrow\)If i had know Alice's address,I could have written to her.
7. I don't know the answer, so I can't tell you.
\(\Rightarrow\) If i knew the answer, I could tell you.
8. We got lost because we didn't have a map.
=> If we had had a map, we wouldn't have got lost.
9. His friends were so late, so they missed the train.
\(\Rightarrow\)If his friends hadn't been so late , they wouldn't have missed the train.
10. Today isn't Sunday, so the pupils can't go swimming.
\(\Rightarrow\)If today were Sunday, the pupils could go swimming.
11. The heavy rain kept everybody from going out.
\(\Rightarrow\)If it hadn't rained heavily, everybody could have gone out.
12. This chair is too heavy for him to move.
=> If this chair wasn't too heavy ,he could move it.
13. He had a flu because he went out in the rain last night.
=>If he hadn't gone in the rain last night , he would't have a flu.
14. The church bells keep me from sleeping.
=> If the church bells didn't ring , i could sleep.
15. Morning exercises make me feel better.
=> If i didn't do morning exercises,i wouldn't feel better.
16. Stop talking or you won't understand the lesson.
=> If you don't stop talking, you won't understand the lesson
17. The boy is so young that he can't go to school.
=>If the boy weren't so young, he could go to school.
18. The fridge keeps the food from spoiling.
=> If there weren’t a fridge, the food would spoil.
19. Why don't you study hard?
=>If i were you ,i would study hard.
20. Why don't you stop smoking?
=>If i were you ,i would stop smoking.
21. Be careful, or you'll cut yourself with that knife.
=>If you are not be careful ,you'll cut yourself with that knife.
22. Be calm, or you'll make a wrong decision.
=>If you are not calm, you'll make a wrong decision.
23. Without the air, we would die.
=>If we lived without air, we would die.
24. Without a visa, she couldn't have come to that country.
=>If she'd had a visa, she couldn't have come to that country.
25. Without the sun, man would live in the darkness.
=>If there were not the sun, man would live in the darkness.
26. Without money, he wouldn't have bought such a big house.
=>If he had money, he wouldn't have bought such a big house.
27. Smoking makes him so weak.
=>If he didn't smoke , he wouldn't be so weak.
28. It was very cold yesterday, so he couldn't go swimming.
=>If it hadn't been very cold yesterday, he wuold has gone swimming.
29. It is very cold, so we can't go swimming.
=>If it weren't cold, we could go swimming.
30. I didn't watch TV last night because I was busy.
=>If i hadn't been bsy , i would have watched TV last night.
Make conditional sentences according to the facts provided
1) keep silent or you'll wake up the baby up
=> If you don't keep silen, you'll wake the baby up.
2) because you don't leave immediately i call not a policeman
=> If you leave immediately, I won't call a policeman.
3) i don't know her number ,so i don't ring her up.
=> If I knew her number, I could ring her up.
4) go right now or you'll be late for the train
=> If you don't go right now, you'll be late for the train.
5) i couldn't write to alice because i didn't know her address.
=> If I had known Alice's address, I could have written to her.
6) i don't know the answer, so i can't tell you.
=> If I knew the answer, I could tell you.
7) his friends were so late, so they missed the train
=> If his friends hadn't been so late, they'd not have missed the train.
8) today isn't sunday, so the pupils can't go swimming
=> If today were Sunday, the puplis could go swimming.
9) the chair is to heavy for him to movie.
=> If this chair wasn't too heavy, he could move it.
10) he had a flu because he went out in the train last night.
=> If he hadn't gone out in the rain last night, he wouldn't have a flu.
1) Keep silent or you'll wake the baby up.
-> If you don't keep silent, you'll wake the baby up.
2) Because you don't leave immediately, I call a policeman.
-> If you leave immediately, I won't call a policeman.
3) I don't know the number, so I don't ring her up.
-> If I knew the phone number, I would ring her up.
4) Go right now or you'll be late for the train.
-> If you don't go right now, you'll be late for the train.
5) I couldn't write to Alice beacuse I did't know her address
-> If I had known Alice's address, I could have written to her.
6) I don't know the answer, so I can't tell you.
-> If I knew the answer, I could tell you.
Chỉ làm được vậy thôii
Chúc bạn học tốt!
Tick đúng nha 
1. I don’t know her number, so I don’t ring her up
If I knew her number, I would ring her up.
2. I don’t know the answer, so I can’t tell you.
If I knew the answer, I could t tell you.
3. When you ask me for the book, I will lend it to you.
Unless you ask me for the book, I won't lend it to you.
4. I feel miserable because Kate doesn’t love me.
If Kate loved me, I wouldn't feel miserable.
5. I won’t go to the party because I’m not feeling well.
I would go to the party if I felt well.
6. There are too many cars. As a result, our planet is polluted.
If there weren't too many cars, our planet wouldn't be polluted.
7. You are so nervous because you drink too much coffee.
If you didn't drink too much coffee, you wouldn't be so nervous.
8. As I haven’t got money, I can’t buy a new car.
If I get money, I could buy a new car.
9. I am in this class because I cannot speak perfect English.
If I spoke perfect English, I wouldn't be in this class.
10. I am very bad at English; I can't help you with your English exercises.
If I weren't very bad at English, I could help you with your English exercises.
11. He isn’t a good runner because he doesn’t train every day.
If he trained every day, he would be a good runner.
12. Peter is fat because he eats so many chips.
If Peter didn't eat so many chips, he wouldn't be fat.
13. His parents are away on holiday. He really needs their help now.
He wishes his parents weren't away on holiday because he really needs their help now.
14. Mike doesn't feel well today. He can't go out with his friends.
Mike wishes she felt well today to go out with his friends.
15. Peter is working on two jobs. He can’t help you fix your computer right now.
If Peter weren't working on two jobs, he could help you fix your computer right now.
1. I don’t know her number, so I don’t ring her up
If I …I knew her numberm, I would ring her up……
2. I don’t know the answer, so I can’t tell you.
If I …knew the answer, I could tell you………………
3. When you ask me for the book, I will lend it to you.
Unless you …asked me for the book, I won't lend it to you.…………………….
4. I feel miserable because Kate doesn’t love me.
If Kate ………loved me, he wouldn't feel miserable……………….
5. I won’t go to the party because I’m not feeling well.
I would ……go to the party if I felt well…………….
6. There are too many cars. As a result, our planet is polluted.
If there ……weren't too many cars, our planet weren't polluted…………………………
7. You are so nervous because you drink too much coffee.
If you …didn't drink too much coffee, you wou;dn't be so vervous…………………………….
8. As I haven’t got money, I can’t buy a new car.
If ……I had money, I could buy a new car.…………………………………….
9. I am in this class because I cannot speak perfect English.
If I ……could speak perfect E, I would be in this class……………………………….
10. I am very bad at English; I can't help you with your English exercises.
If I ……weren't bad at English; I could help you with your English exercises.………………….
11. He isn’t a good runner because he doesn’t train every day.
If he …trained everyday, he would be a good runner ……….
12. Peter is fat because he eats so many chips.
If Peter ……didn't eat so many chips, he wouldn't be fat…………….
13. His parents are away on holiday. He really needs their help now.
He wishes …his parents weren't away on holiday……….
14. Mike doesn't feel well today. He can't go out with his friends.
Mike wishes …felt well today and he could go out with his friends……
15. Peter is working on two jobs. He can’t help you fix your computer right now.
If Peter ……weren't working on 2 jobs, he could help you fix your computer right now. ……………………….
