120.Listen to the teacher’s explanation or you can’t understand anything.

If you don't listen to the teacher’s explanation, you can’t understand anything.

121. I was sick yesterday, so I didn’t go to class.

If I hadn't been sick yesterday, I would have gone to class.

122. Because Alan never eats breakfast, he always overeats at lunch.

If Alan ate breakfast, he wouldn't always overeat at lunch.

123. Peter didn’t finish unloading the truck because John didn’t help him.

If John had helped Peter, he would have finished unloading the truck.

124. He didn’t hurry, so he missed the train.

If he had hurried, he wouldn't have missed the train.

125. My brother didn’t leave the car keys, so I couldn’t pick him up at the station.

If my brother had left the car keys, I couldn’t have picked him up at the station.

126. We didn’t go because it rained.

 If it hadn’t rained, we could have gone.

127. We didn’t go on holiday because we didn’t have enough money.

If we had had enough money, we would have gone on holiday.

1. He lost his money simply because he wasn't careful. (If)

=> If he hadn't been careless , he woundn't have lost his money

2. He didn't hurry, so he missed the train. (If)

=> If he had hurried, he could have caught the train.

3. We didn't go because it rained. (If it hadn't)

=> If it hadn't rained we would have gone

4. Without this treatment, the patient would have died. (If he)

=> If it hadn’t been for this treatment, the patient would have died.

5. Mr.Mills lost his job because he was late every day. ( If Mr.Mills)

=> If Mr Mills hadn't been late everyday ,he wouldn't have lost his job

6. We didn't go on holiday because we didn't have enough money. (If we)

=> . If we had had enough money we would have gone on holiday.

1. He lost his money simply because he wasn't careful. (If)

=>if he had been cafeful, he would not have lost his money

2. He didn't hurry, so he missed the train. (If)

=>If he had hurried, he would have missed.

3. We didn't go because it raines. (If it hadn't)

=>If it hadn't rained, we would have gone.

4. Without this treatment, the patient would have died. (If he)

=>If he hadn't been for this treatment, the patient would have died

5. Mr.Mills lost his job because he was late every day. ( If Mr.Mills)

=>If Mr.Mills losts his job ,he lates every day

6. We didn't go on holiday because we didn't have enough money. (If we)

=> If we had had enough money, we would have gone holiday

7. I was sick yesterday, so I didn't go to class (If)

=>If I am sick, I don't go to school

8. Because Alan never eats breakfast, he always overeats at lunch (If)

=>If Alan never eats breakfast, he always overeats at lunch

9.Fred wouldn't do that if he didn't have your permission (Unless)

=>Unless Fred had your permission, he wouldn't for that

10. If no more guests come, there will be enough food for everyone. (Unless)

=>Unless no more guests come, there will not be enough food for everyone

1 Were I to know enough about the machine, I could mend it myself

1. I would be surprised if Ann came to see us now.

2. If we had enough money,we would go on holiday

3. Unless you do these exercises more carefully, you will fail the exam.

4. If I knew the answer, I could tell you.

5. If she knew French, she could apply for the job

6. Unless she cam here now, we'd come back home

7. Unless you are careful, you will be able to get the job

8. If it rains soon, the tree won't die

* Rewrite the sentences.

1. It is late now; I don't think Ann will come to see us.

-> I would be surprised if __________Ann came to see us________.

2. We don't go on holiday because we don't have enough money.

-> If _________we had enough money, we would go on holiday_________.

3. Do these exercises more carefully or you will fail the exams.

->Unless_________you do these exercises more carefully, you will fail the exams_________.

4. I do not know the answer so I cannot tell you.

-> If _________I knew the answer, I could tell you_________.

5. She can't apply for the job because she doesn't know Frencj.

-> If she knew__________Frencj, she could apply for the job________.

6. If she didn't come here now, we'd come back home.

-> Unless__________she came here now, we'd come back home________.

7. Be careful or you will not be able to get the job.

-> Unless__________you are careful, you won't be able to get the job________.

8. The trees will die unless it rains soon.

-> If_________it doesn't rain soon, the trees will die_________.

The accident happened because he drove carelessly. (Rewrite, using "due to")

- The accident happened due to his careless driving / his carelessness

7. I don't know his new address. I can't visit him. (Rewrite, using "If")

- If I knew his new address, I could visit him

8. The fish die because of water pollution in this river. (Combine the two sentences into one. using "leads to")

- Water pollution leads to the death of the fish in this river 

I don't have enough money, so I can't buy a new dictionary. (Rewrite, using "If")

-if I had enough money, I could buy a new dictionary

"You must finish all these exercises before going out with your friends tonight."

- Nam's mother said (that) he had to finish all those exercises before going out with his friends that night

- the accident happened due to his careless driving

- if i knew his address, i could visit him

- the water pollution in this river leads to the death of the fish

- if i had enough money, i could buy a new dictionary

- nam's mother said he had to finish all those exercises before going out with his friends that night

1.If i had enough money,I could go on a long holiday this year

2.If i had a typewriter,i could type it myself

3.If i lived in a big city,i could go to the cinema very often

4.If Lan had a bike,she wouldn't walk to school

Câu điều kiện loại 2 :

1.I don't have enough money , I can't go on a long holiday this year.

->If.......I had enough money, I could go on a long holiday this year.................

2.I don't have a typewriter,I can't type it myself.

->If.....I had a typewriter, I could type it myself.......................................

3.I don't live in a big city , so I can't go to cinema very often

->If.......I lived in a big city, I could go to cinema often..................

4.Lan doesn't have a blike , she walks to  school.

->If...........Lan had a bike, she wouldn't walk to school....................

-Câu Điều kiện loại 2 diễn tả điều không có thật ở hiện tại hoặc tương lai

-Cấu trúc: If+S+V(quá khứ đơn), S+would/could+V(infinitive)