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Viết lại câu là câu điều kiện loại 1
1.He doesn't take any exercises.He is so unhealthy =>If he takes exercises,he won't be unhealthy
2.We can’t get the ticket because I don’t have the right change.=> If i have the right change, we can get the ticket
3.Study hard or you won’t pass the exam.=>If you don't study hard, you won’t pass the exam.
4.Don’t be impatient or you will make mistakes.=>If you aren't impatient, you will make mistakes
5.My mother will have enough money.She will buy a new house=>If my mother has enough money, She will buy a new house
6.Getting up late makes him feel tired =>If he doesn't get up late, he won't feel tired
7.Henry will finish the report. He will go out for a walk=>If Henry finishes the report, he will go out for a walk
8.Do the homework for me, and i'll give you a gift =>If you do the homework for me, i'll give you a gift
9.Watching TV makes me feel relaxed=>If i watch TV, I'll feel relaxed
10. Don't tell lies to your boss or you'll be fired at once=>If you tell lies to your boss , you'll be fired at once
1.He doesn't take any exercises.He is so unhealthy
=>If He doesn't take any exercrise, he'll unhealthy
2.We can’t get the ticket because I don’t have the right change.
=> If I don't have the right change, we won't get the ticket
3.Study hard or you won’t pass the exam.
=>If you study hard, you'll pass the exam
4.Don’t be impatient or you will make mistakes.
=>If you impatient, you'll make mistakes
5.My mother will have enough money.She will buy a new house
=>If my mother have enough money, she'll buy a new house
6.Getting up late makes him feel tired
=>If he gets up late, he'll feel tired
7.Henry will finish the report. He will go out for a walk
=>If Henry finish the report, he'll go out for a walk
8.Do the homework for me, and i'll give you a gift
=>If you do the homework for me, I'll give you a gift
9.Watching TV makes me feel relaxed
=>If I watch TV, I'll feed relaxed
10. Don't tell lies to your boss or you'll be fired at once
=>If you tell lie to your boss, you'll be fired at once
Study hard 
1. We must leave now , or we will miss the plane
=> If we don't leave now , we will miss the plane
2. Be careful or you many fall
=> If you are careless , you may fall
3. Hurry up or we'll be late for the concert
=> If we don't hurry up , we will be late for the concert
4. Oủ sources of energy will soon end if we don't try to save them
=> Unless we try to save our sources of energy , it will soon end
5. You will catch a cold if you don's keep your feet dry
=> Unless you keep your feet dry , you will catch a cold
6. Unless we protect the envirmonent , we will destroy ourselves
=> If we don't protect the eviroment , we will destroy ourselves
7. Unless she is more hard - working , she will get low marks
=> If she isn't more hard-working , she'll get low marks
8. Unless he listens to his parents , he will fail
=> If he doesn't listen to his parents , he will fail
1. We must leave now , or we will miss the plane
=> If we don't leave now, we will mis the plane.
2. Be careful or you many fall
=> If you aren't careful, you'll fall.
3. Hurry up or we'll be late for the concert
=> If you don't hurry up, you'll be late for the concert.
4. Our sources of energy will soon end if we don't try to save them
=> Unless we try to save our sources of energy, they will soon end.
5. You will catch a cold if you don's keep your feet dry
=> Unless you keep your feet dry, you will catch a cold.
6. Unless we protect the envirmonent , we will destroy ourselves
=> If we don't protect the envirmonent, we will destroy ourselves
7. Unless she is more hard - working , she will get low marks
=> If she isn't more hard working, she will get low marks.
8. Unless he listens to his parents , he will fail
=> If he doesn't listen to his parents, he will fail.
1 . If you work hard you will pass the exam.
2 . If Henry fails his examination,his parents will be sad.
3. If sue go out this weekend,she wont have time to study.
4. If it snow tomorrow I will go skiing.
5 . If he doesn’t leave soon he will mis the bus.
6 . If you phay with matches you will hurt yourself.
1. if you shouldnt work hard you wont pass the exam
2. if Henry failed his examination, his parent will be sad
3. Unless you come , I will go .
4. if the weather'll snow tomorrow, i will go skiing
5. if he leave soon, he'll miss the bus
6. if you play the matches, you'll hurt yourself
Rewrite the sentences
1. He will pay me tonight; I will have enough money to buy a car.
=>If he pays me tonight, I will have enough money to buy a car.
2. I will get a work permit. I will stay for another month.
=> If I get a work permit,I will stay for another month.
3. Study hard or you won't pass the exam.
=> If you don't study hard, you won't pass the exam.
4. Don't be impatient or you will make mistakes.
=> If you don't be impatient, you will not make mistakes.
Rewrite the sentences
1. He will pay me tonight; I will have enough money to buy a car.
=>If he pays me tonight, I will have enough money to buy a car.
2. I will get a work permit. I will stay for another month.
=> If I get a work permit,I will stay for another month.
3. Study hard or you won't pass the exam.
=> If you don't study hard, you won't pass the exam.
4. Don't be impatient or you will make mistakes.
=> If you don't be impatient, you will not make mistakes.
Rewrite the following sentences so that the meaning stays the same
1. They will go on holiday if they have time
Unless....they have time, they won't go on holiday...
2. you have toget up early or you will be late for shool
If you get up up early ,you won't be late for shool
3. he will take a taxi if it rains
Unless it rains, he won't take a taxi
1. They will go on holiday if they have time
Unless.they don't have time, they won't go on holiday.
2. you have toget up early or you will be late for shool
If you have to get up early, you won't be late for school.
3. he will take a taxi if it rains
Unless it don't rain, he won't take a taxi.
1. Wash it in hot water and it will shrink.
=> If you wash it in hot water, it will shrink
2. If you don't focus on your job, you will lose it. (otherwise)
=> .... You should focus on your job; otherwise, you will lost it
3. If you don't leave my house, I will call the police. (or)
=> .....Leave my house or I will call the police
4. If you don't take care of your health, you will soon regret. (otherwise)
=> .....You should take care of your health; otherwise, you will soon regret
5. If you don't stop taking photos, you will have to leave. (or)
=> ....Stop taking photos or you will have to leave
6. If she doesn't meet deadlines, she will have to work overtime. (otherwise)
=> .....She should meet deadlines; otherwise, she will have to work overtime
Chọn câu trả lời đúng cho mỗi câu sau.
1. My dog ___ bark unless it is hungry.
A. don’tB. won’t
2. Unless you ___ to go to bed early, we should go out.
A. wantsB. want
3. ___ you don’t slow down, we are going to crash!
A. IfB. Unless
4. You cannot go into bars ___ you are over 18.
A. IfB. unless
5. In my country, ____ you cannot speak English, it’s hard to get a good job.
A. ifB. unless
6. She’ll fail the exam if she ___ study.
A. ifB. doesn’t
7. We’ll be late ____ we leave soon.
A. ifB. unless
8. ___ I am not feeling better tomorrow I will go to the doctor’s.
A. UnlessB. If
9. ____ you do not make the payment in time, your car will be confiscated.
A. IfB. Unless
10. You will lose your job ___ you change your attitude and become friendlier.
A. unlessB. If
11. She won’t know the truth ___ you tell it to her.
A. unlessB. if
12. ____ you arrive early, you’ll be able to meet the customers before the meeting.
A. UnlessB. If
13. ____ she eats healthy food, she won’t lose some weight.
A. UnlessB. If
14. They won’t arrive on time ___ they finish the work early.
A. unlessB. if
15. Will she able to eat some cake ___ I put eggs in it?
A. unlessB. if
1. less -> more
2. Studies -> Study
3. less -> more
4. less -> more
5. more -> less
6. less -> more hoặc good -> bad
7. and -> or
A person must work hard or he’ll starve.
If ___________________he does not work hard, he will starve______________________________________
2. Unless__________________you hurry up, you will be late____________________________
Hurry up or you'll be late.
If __________________you do not hurry up, you will be late_______________________________________
Unless______________you start at once, you will be late for the train________________________________
Start at once, or you will be late for the train.
If ___________________you do not start at once, you will be late for the train______________________________________
Unless_____________you study hard, you won't pass the exam_________________________________
Study hard and you’ll pass the exam.
If______________________________you study hard, you will pass the exam___________
Unless_________you eat less, you won't lose weight_____________________________________
5. Eat less and you will lose weight.
If ___________________you eat less, you will lose weight___________________________________
III. Viết lại câu sử dụng đk 1: type 1, và Unless
A person must work hard or he’ll starve.
If ______a person don't work hard,he’ll starve.___________________________
Unless_____a person work hard,he’ll starve._______________
2.Hurry up or you'll be late.
If _______you don't hurry up,you'll be late._____________________
Unless_____you hurry up,you'll be late._________________
Start at once, or you will be late for the train.
If __you don't start at once, you will be late for the train.__________________
Unless________you start at once, you will be late for the train. _______
Study hard and you’ll pass the exam.
If____you study hard, you’ll pass the exam._______________
Unless______you study hard, you won't pass the exam.___________________
5. Eat less and you will lose weight.
If __you eat less ,you will lose weight. _________________
Unless___you eat less ,you won't lose weight. _______________