I. Sử dụng câu điều kiện loại I và loại II để viết lại câu

$1$. If they don't understand the problem , they won't find a solution

$2$. If you don’t go right now, you’ll be late for the train.

$3$.  If you spoke English naturally, they’d understand you.

$4$.If we had known your phone number, we could have contacted you.

$5$. If Simon lived near his mother, he could visit her often.

$6$. If she had been hurry, she wouldn't have missed the train.

$7$. If John didn't eat so many chips, he wouldn't be fat.

$8$.Unless you tell him what to do, Bill never does anything.

$9$. If they had enough time, they could do me a favour.

$10$. If I don't leave now, I'll miss the flight.

$11$. If we don't hurry up, we will be late for the exam.

$12$.If Peter prepared his lessons well, he wouldn't get bad marks.

$13$. If he had enough qualifications, he would apply for the job.

$14$.If it weren't very expensive, we could buy this car.

$15$. If he doesn't phone her immediately, he won't get any information.

II. Rewrite the second sentence in such a way that it has the same meaning as the one before it:

$3$. I wish you hadn't failed in your driving test.

$4$. I wish I hadn't missed your birthday party.

$5$.We can get into the house if someone has a key.

$6$.He wish he had invited mooly to his party.

$7$.If he doesn’t phone immediately he won’t get any information.

$8$.If Mr Mills hadn't been late everyday ,he wouldn't have lost his job

$9$.if my husband had left the car keys, we could have picked him up at the station.

$10$.. If he had hurried, he could have caught the train.

$11$.If it didn't rain, we would go

$12$.I wish I had finished my homework last night.

$13$.Unless nobody sends for a doctor, the child won't die.

$14$.If Susan hadn't eaten four cream cakes, she wouldn't have felt sick.

$15$.Maria wishes Maria had applied for the job in the library

$16$.If he didn't eat so many chips, he wouldn't be fat

$17$. I wish I had taken my doctor's advice.

$18$.If the train driver hadn’t ignored/ had taken notice of/ had paid attention to the warning light, the accident wouldn’t have happened.

$19$.If we had had a map, we wouldn't have got lost.

$20$.Mrs Taylor wishes she would living in a big house

$21$.Unless JOE CHANGESS HIS WAYS, HE WILL END UP IN PRISON

$22$.Unless he works harder, he’ll lose his job.

$23$.If Elizabeth hadn't started smoking cigarettes, she wouldn't have gor a bad cough.

$24$. If she doén't find a job before September , Joan will stay at school .

mik xl mik chỉ giúp đc một ít thôi

1. They don't understand the problem. They won't find a solution​
=> If they understood the problem, they’d find the solution.
2. 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.
3. Because you speak English unnaturally, they do not understand you.
=> If you spoke English naturally, they’d understand you.
4. We didn't know your phone number, so wee could not contact you.
=> If we had known your phone number, we could have contacted you.
5. Because Simon doesn't live near his mother, he can't visit her often.
=> If Simon lived near his mother, he could visit her often.
6. She didn't hurry, so she missed the train.
=> If she had been hurry, she wouldn't have missed the train.
7. John is fat because he eats so many chips.
=> If John didn't eat so many chips, he wouldn't be fat.
8. Bill never does anything if you don't tell him what to do.
=> Unless you tell him what to do, Bill never does anything.
9.They don't have enough time so they cannot do me a favour.
=> If they had enough time, they could do me a favour.
10. I must leave now, or I'll miss the flight.
=> If I don't leave now, I'll miss the flight.
11. Hurry up, or we will be late for the exam.
=> If we don't hurry up, we will be late for the exam.
12. Peter gets bad marks because he doesn't prepare his lesson well.
=> If Peter prepared his lessons well, he wouldn't get bad marks.
13. He doesn't apply for the job because he doesn't have enough qualifications.
=> If he had enough qualifications, he would apply for the job.
14. We can't buy this car because it is very expensive.
=> If it weren't very expensive, we could buy this car.
15. Unless he phones her immediately, he won't get any information.
=> If he doesn't phone her immediately, he won't get any information.