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1. They are poor, so they can’t help us.
→ If they ........weren't poor, they could help us.........................................
2. He doesn’t do his homework. He is always punished.
→ If he ....did his homework , he wouldn't be always punished............................................
3. He doesn’t have enough time. He can’t help me.
→ If he ........had enough time, he could help me.....................................................................
4. She doesn’t take any exercise, so she is overweight.
→ If she .......took some exercise, she wouldn't be overweight.......................................................................
5. He doesn’t have a bicycle, so he always goes to class late.
→ He wouldn’t .......go to class late if he had a bicycle.............................................................
6. I am bad at English, so I can’t do homework.
→ I could .....do homework if I weren't bad at English............................................................................
7. He doesn’t practise speaking French, so he doesn’t speak it fluently.
→ If he .....practiced speaking French, he would speak it fluently...........................................................
8. The meeting can be cancelled because it snows heavily.
→ If it ...........didn't snow heavily, the meeting couldn't be cancelled .....................................................................................
9. We don’t go because it will rain.
→ If it ....didn't rain, we would go..............................................................................
10. John is fat because he eats so many chips.
→ If John ...... didn't eat so much cheap, he wouldn't be fat......................................................................................
11. If she should come, tell her to wait for me. (using inversion with SHOULD)
…………Should she come, tell her to wait for me…………………………………………………………………………
12. If I don’t come here early, I will miss the bus.
→ Unless…… I come here early, I will miss the bus.…………………………………………………………………
13. If he doesn’t do that, he will get bonus.
→ Unless………he does that, he will get bonus.………………………………………………………………
14. If she doesn’t water these trees, they will die
→ Unless……she waters these trees, they will die…………………………………………………………………
15. I only come if they invite me.
→ Unless…… they invite me, I will not come…………………………………………………………………
16. In case it rains, we’ll stay at home. (if)
…………If it rains, we’ll stay at home…………………………………………………………………………
17. If you don’t leave the office, I will call the police. (or)
……Leave the office or I will call the phone………………………………………………………………………………
18. You can’t visit Paris unless you get a visa. (If)
……If you don’t get a visa, you can’t visit Pari………………………………………………………………………………
Câu điều kiện:
1. Unless he changes his behavior, no body will be beside him
--> If he doesn't change his behavior, no body will be beside him
2. Aquatic animal and plants will die unless that factory discharge sewage directly into the river.
--> If that factory doesn't discharge sewage directly into the river, Aquatic animal and plants will die
3. Unless farmers poison the soil crops will well.
--> If farmers don't poison the soil ,crops will well.
4. Unless it is too expensive, I can buy it.
--> If it isn't too expensive, I can buy it.
Biến đổi Unless= if …….not.
1. If Andrew is not lazy, he will pass the final examination. (unless)
→ Unless Andrew is lazy, he will pass the final examination
2. John will not catch the train unless he runs more quickly. (If)
→ If John doesn't run more quickly, he will not catch the train
3. The tree will die if it isn’t watered every day. (unless)
→ Unless the tree is watered every day, it will die
4. Life won’t be very easy if we don’t earn lots of money. (unless)
→ Unless we earn lots of money, life won’t be very easy
5. If you don’t practice more often, your English won’t be better.
→ Unless you practice more often, your English won’t be better
6. Jack will be dismissed if he doesn’t try to work harder.
→ Unless Jack tries to work harder, he will be dismissed
Choose the best answer for each of the fllowing sentences
1. ............ if you work harder, you will be sacked.
A. Whether B. If C. However D. Unless
2. I think you should stop smoking.
A. If I am you, I will stop smoking B. If I were you, I will stop smoking
C. If I were you, I would stop smoking D. If I had been you, I would stop smoking
3. If you take the ice out of the fridge, it ...........
A. vaporizes B. melts C. heats D. disappears
4. We should do something to protect water from being polluted ........... we will have nothing to drink in the future.
A. if B. whether C. or D. unless
5. Let's knock on their door to see .......... home.
A. if they're B. unless they're C. whether they were D. if they were
6. Unless we .......... more snow, we can't go skiing.
A. will have B. have C. have had D. had
7. You'll fail the exam ........... you start revising.
A. if B. until C. when D. unless
8. Unless you wash the car, you .............. not drive it at the weekend
A. would B. could C. have to D. may
9. If Peter ............... his car before the drive, he ................ the problem of out of petrol.
A. cheked / will not get B. had checked / would not have got
C. checks / will not have got D. would be checking / will not have got
10. He stepped on the mine, and it exploded.
A. If he doesn't step on the mine, it doesn't explode.
B. If he doesn't step on the mine, it won't explode.
C. If he didn't step on the mine, it wouldn't explode.
D. If he hadn't step on the mine, it wouldn't have exploded.
III.Conditional sentences
1.Be early or you will be punished=> If……you are early, you won't be punished…….
2.Be helpful and people will love you=>If …you are helpful, people will love you….
3.Study studiously or we can’t get good mark=>If… we study studioustly, we can get good mark……
4.Lan has to do a lot of homework,so she has stay at home=>If……lan didn't have to do a lot of homework, she wouldn't have stay at home…..
5.Nga doesn’t feel happy because she dosen’t study English well=>If…nga felt happy, she would study english well…
6.Unless the weather is good, we can’t go=>If…the weather isn't good, we can't go ..
7.If the boys doesn’t study well, he will fail=>If…the boys studied well, he wouldn't fail..
8.It doesn’t rain, so we don’t bring a umbrella=>If…it rained, we would bring a umbrella..
Chào em, em chú ý câu số 4.
Theo cô, ở đây đề bài có 1 chút vấn đề, nếu như mệnh đề chính là she has to stay at home thì chúng ta phải dùng câu điều kiện loại 2 vì nó diễn tả 1 điều không có thật ở hiện tại/tương lai.
Tạm dịch: Lan phải làm rất nhiều bài tập về nhà, nên cô ấy đã phải ở nhà.
=> Nếu cô ấy không phải làm nhiều bài tập về nhà thì cô ấy sẽ không phải ở nhà (thực tế là ngược lại).
=> If Lan didn't have to do a lot of homework, she wouldn't have to stay at home.
Chúc em học tốt và có những trải nghiệm tuyệt vời tại hoc24.vn!
1. Unless you study harder, you will fail the test.
If you don't study harder, you will fail the test.
2. Unless they return our money by the end of this week, we will go to their office.
If they don't return our money by the end of this week, we will go to their office.
3. He will be mad for at least a week unless she apologizes right away.
If she doesn't apologize right away, he will be mad for at least a week.
4. Unless he completes this task, he will have to go home late.
If he doesn't complete this task, he will have to go home late.
5. They won’t respect you unless you respect them.
If you don't respect them, they won't respect you.
6. If you don’t study harder, you‘ll fail the test
➡ Unless you study harder, you'll fail the test.
7. If she doesn’t practice writing every day, she can’t improve her writing skills.
➡ Unless she practices writing every day, she can't improve her writing skills.
8. Unless this man is a professional driver, he can’t help you move by car.
➡ If this man isn't a professional driver, he can't help you move by car.
9. Unless you stop smoking, you might fall ill.
➡ If you don't stop smoking, you might fall ill.
10. If Lan doesn’t return this book to the library today, she will have to pay a fine.
➡ Unless Lan returns this book to the library today, she will have to pay a fine.
*Chuyển câu bị động sang câu chủ động
1- Your bicycle will be repaired by him tomorrow.
.........he will repair Your bicycle tomorrow..........
2- He is taken to the park by Tom.
.............Tom take him to the park .........................
3- The students are being tested by their teacher.
..................The students's teacher is testing them........................
4- An alarm is bought in a bookstore by Mary.
............................Mary buys An alarm in a bookstore................
5- This window was broken by Jim.
........Jim broke This window ....................
6- A letter was written by Mary last night.
.........Mary wrote A letter last night................................
7- The room has been tidied by Tom.
.........Tom has tidied The room..........................
8- Your hands should be washed before meals.
................you should wash Your hands before meals........................
9- The test is being done by the students at the moment.
........the students are doing The test at the moment..............
10- These flowers will be brought to the market by Ms Lan tomorrow.
...........Ms Lan will bring These flowers to the market tomorrow.............
1. I'm always nervous when I travel by air
Traveling by air makes me always feel nervous
2. " Why don't you put your luggage under the seat?" He said
He suggested that I should put my luggage under the seat
3. Although he had a good salary, he was unhappy in his job
In spite of his good salary he was unhappy in his job
4. I advise you to put your money in the bank
You'd better put your money in the bank
5.John only understood very little of what the teacher said.
John could hardly.........understand what the teacher said..................................................................
6.Unless someone has a key, we can't get into the house. We can only get......into house if we have a key............................................................................
Unless Jim submit his essay before Tuesday, he will be punished by the teacher.