Exercise 1:

1. I won't go to school unless I feel better.
2. Tony won't walk to you unless you question him. 
3. You'll be cold unless you put your overcoat on.
4. You will fail the exam unless you work hard.
5. You'll get a cold unless you keep your feet dry.
6. I won't go to the party unless you go.
7. I'll miss my flight unless I leave now.
8. I can't send you a postcard unless you give me your address.
9. I can't build a school for the poor unless I win a big lottery.
10. I will call the police unless you leave me alone.

IV.. Rewrite the following sentences using the given words(0,5p)

1. The weather was bad, so they couldn't continue the game.

->Because the weather was bad, they couldn't continue the game.

2. She is interested in reading books.

 -> She likes reading books.

3.We tried our best but we didn’t win the game.

 ->Although we tried our best, we didn’t win the game.

4. I am tired. I can’t go to school today.

 ->Because I am tired,  I can’t go to school today

bủff à

* 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.

mn ơi đọc câu hỏi giúp và làm hộ mình nha!

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_________.

Ai giúp tôi làm những bài tập này với

V. Rewrite the sentences by using conditional sentences
1. I don't have enough free time. I can't take much exercise.
>If I had enough free time,i could take much exercise
2. It rains now. We can't go out for the party
>If it didn't rain now,we could go out for the party
3. My father didn't earn much money. Our life was very difficult
>If my father had earned much money,our life wouldn't have been very difficult
4. Jane didn't have breakfast. She had a stomachache.
>If Jane had had breakfast,she wouldn't have had a stomachache
5. I didn't ask my friend about his mother, so I didn't know what happened.
>If i had asked my friend about his mother,i would have known what happened
6. She doesn't like him because he is selfish.
>If he weren't selfish ,she would like him

1. I don't have enough free time. I can't take much exercise.
=>If I had enough free time, I could take much exercise.
2. It rains now. We can't go out for the party
=>If it didn't rain now, we could go out for the party.
3. My father didn't earn much money. Our life was very difficult
=>If my father earned much money, our life wouldn't be difficult,
4. Jane didn't have breakfast. She had a stomachache.
=>If Jane had had breakfast, she wouldn't have a stomachache.
5. I didn't ask my friend about his mother, so I didn't know what happened.
=>If I asked my friend about his mother, I would know what happened.
6. She doesn't like him because he is selfish.

=> If he weren't selfish, she liked him.

II. Rewrite the following sentences using questions words + to-infinitives.
1. They don’t know where they to put the sofa.

2. The rules didn’t specify who to speak to in case of an emergency.

3. Huyen My wondered how to ride the scooter.

4. Let us decide when to start the project.

5. Could you tell me where to find a good hotel?

6. We must find out what to do next.

7. A good dictionary tells you how to pronounce the words.

8. They are not sure who to meet at the entrance.

9. She can’t remember when to turn off the oven.

10. Does he know what to look for?