ghi đối nghĩa với mệnh đề if

1. They aren't. They don't wear unifrom

(hình như đề thiếu mất từ "students" ?)

-> If they were students, they would wear uniform

2. He isn't careful. He doesn't get good marks

-> If he were careful, he would get good marks

3. I don't understand you. You speak very quickly

-> If you didn't speak quickly, I would understand you

4. He is absent now. He doesn't know what to do

-> If he knew what to do, he weren't absent now

5. It is rainy now, so we can't finish our work

-> If it weren't rainy now, we could finish our work

6. We can't buy this car because it is very expensive

-> If this car weren't very expensive, we could buy it

7. The house is so large that they can't paint it in a week

-> If the house weren't so large, they could paint it in a week

8. He is too young to go to school

-> If he weren't too young, he would go to school

9. I want to met Alice but I don't have her address

-> If I had Alice's address, I could meet her

10. I can't do this test because it is very difficult

-> If this test weren't difficult, I could do it

11. We can't go to the cinema because it rains heavily

-> If it didn't rain heavily, we could go to the cinema

12. These exercises are easy enough for me to do in 15 minutes

-> If these exercises weren't easy, I couldn't do them in 15 minutes

13. I don't study hard anh I can't pass the final exam

-> If I studied hard, I could pass the final exam

14. This shirt is too small for me to wear

If this shirt weren't too small, I could wear it

ko pk tiếng anh lớp 8 câu nhé, ÔN HSG ý

nên mấy bạn dựa theo các loại câu điều kiên nhé :))

1. If that man worked hard, he could earn more money

2. If he weren't from home, I would tell him the answer

4. If the weather were better now, we could go for a walk

...

hc tốt 

Make conditional sentences according to the facts provided

1. The chair is too heavy for him to move.

=> If the chair were lighter, he could move it.

2. He had a flu because he went out in the rain last night.

=> If he hadn't gone out in the rain last night, he wouldn't have had a flu.

3. Stop talking or you won't understand the lesson.

=> If you don't stop talking, you won't understand the lesson.

4. The boy is so young that he can't go to school.

=> If the boy were older, he could go to school.

5. Be careful,or you'll cut yourself with that knife.

=> If you aren't careful, you'll cut yourself with that knife.

6. Be calm, or you'll make a wrong decision.

=> If you aren't calm, you'll make a wrong decision.

7. It was very cold, so we couldn't go swimming.

=> If it hadn't been cold, we could have gone swimming.

8. It is very cold, so we can't go swimming.

=> If it weren't cold, we could go swimming.

9. I didn't watch TV last night because I was busy.

=> If I hadn't been busy, I would have watched TV last night.

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_________.

I don't li ke winter because it is very cold 

he doesn't drink wine but he usually has a glass of wine at christmas 

what time do you usually finsh work the afternoon ?

can I borrow your ruler or you are using it at the moment ?

is / I / because / / very / winter /it /cold / don't

=> I don't li ke winter because it is very cold.

christmas / a /wine / doesn't / he / of /drink / has / he / glass / wine / usually / at / but

=> He doesn't usually drink wine but he has a glass of wine at Christmas.

the /you /what /afternoon / usually / do / finsh / work / time?

=> What time do you usually finish the afternoon work?  

your / using / the /moment / I / ruler / it / can / you / borrow / are / or /at / ?

=> Can I borrow your ruler or are you using it at the moment?

is / on / very / from / our / not / school / duong nam street / to / far / nhat hoa mall , /so / there / often walk / It / on / we / sundays.

=> It is not very far from our school to Nhat Hoa mall on Duong Nam Street, so we often walk there on Sundays.

Chúc em học tốt!!!

is / I / because / / very / winter /it /cold / don't

=> I don't li ke winter because it is very cold

christmas / a /wine / doesn't / he / of /drink / has / he / glass / wine / usually / at / but

=> He doesn't usually drink wine but he has a glass of wine at Chrismas

the /you /what /afternoon / usually / do / finsh / work / time?

=> What time do you usually finish the afternoon work >?

your / using / the /moment / I / ruler / it / can / you / borrow / are / or /at / ?

=> Can I borrow your ruler or are you using it at the moment ?

is / on / very / from / our / not / school / duong nam street / to / far / nhat hoa mall , /so / there / often walk / It / on / we / sundays.

=> It is not very far from our school to Nhat Hoa mall on Duong Nam street , so we often walk there on Sundays .

đât là diễn đàn toán nha bn

mik chỉ mún nhờ các bn giúp thui, huhu sao ko giúp mik  vậy 

Bạn nghĩ đây có phải của lớp 5 không ???

1. I didn't know that you were in hospital, so I didn't visit you.

If I had known tha you were in hospital, I would have visited you.

2. Hurry up or you will be late

If you don't hurry up, you will 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/ wouldn’t be unfit.

6. Unless you are careful, you will cut yourself with that knife

If you are not careful, you’ll cut yourself with that knife

7. If i have time, I'll help you. => Unless. I have time, I won’t help you.

......

8. Dick often causes accidents because he drives carelessly

If he had studied his lessons very carefully, he wouldn’t get bad marks now.

9. I can't apply for that job because I don't know English

If Dick drove carefully, he wouldn’t cause accident (often)

10. He didn't study his lessons very carefully, so he gets bad marks now

If I knew English, I could apply for that job.

11. Susan is overweight because she eats too much chocolate

If Susan ate less chocolate, she wouldn’t be overweight

12. His father often punishesvhim for his laziness

If he weren’t lazy, his father wouldn’t punish him (often).

13. Study harder or you'll fail in the next exam

Unless you study harder, you'll fail in the next exam.

14. We did not visit the museum because we had no time

If we had had time, we would have visited the museum.

15. Without Jack's help, I wouldn't have been able to move the table 

If Jack hadn't helped, I wouldn't have been able to move the table.

1. I didn't know that you were in hospital, so I didn't visit you.

If I had known tha you were in hospital, I would have visited you.

2. Hurry up or you will be late

If you don't hurry up, you will 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/ wouldn’t be unfit.

6. Unless you are careful, you will cut yourself with that knife

If you are not careful, you’ll cut yourself with that knife

7. If i have time, I'll help you.

Unless. I have time, I won’t help you.

8. Dick often causes accidents because he drives carelessly

If he had studied his lessons very carefully, he wouldn’t get bad marks now.

9. I can't apply for that job because I don't know English

If Dick drove carefully, he wouldn’t cause accident (often)

10. He didn't study his lessons very carefully, so he gets bad marks now

If I knew English, I could apply for that job.

11. Susan is overweight because she eats too much chocolate

If Susan ate less chocolate, she wouldn’t be overweight

12. His father often punishesvhim for his laziness

If he weren’t lazy, his father wouldn’t punish him (often).

13. Study harder or you'll fail in the next exam

Unless you study harder, you'll fail in the next exam.

14. We did not visit the museum because we had no time

If we had had time, we would have visited the museum.

15. Without Jack's help, I wouldn't have been able to move the table 

If Jack hadn't helped, I wouldn't have been able to move the table.

Finish each of the following sentences in such a way that it is as similar as possible in meaning to the original sentences:

1. I didn't know that you were in hospital, so I didn't visit you.

If had know that you were is hospital, I would have visited you.

2. Hurry up or you will be late

If you don't hurry up, you will 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/ wouldn't be unfit.

6. Unless you are careful, you will cut yourself with that knife

If you are careful, you'll cut yourself with that knife.

7. If i have time, I'll help you. => Unless. I have time, I won't help you.

8. Dick often causes accidents because he drives carelessly

If he had studied his lessons very carefully, he wouldn't get bad marks now.

9. I can't apply for that job because I don't know English

If Dick drove carefully, he goodn't accident( often).

10. He didn't study his lessons very carefully, so he gets bad marks now

If I knew English, I could apply for that job.

11. Susan is overweight because she eats too much chocolate

12. His father often punishesvhim for his laziness

13. Study harder or you'll fail in the next exam

14. We did not visit the museum because we had no time

15. Without Jack's help, I wouldn't have been able to move the table 

6. I'm very tired, so I will leave the class early.

-> If .....i was't tired, i wouldn't leave the class early...............................................................

7. Because he is absent now, he can't know what to do.

-> If .....he wasn't absent now, he could know what to do..........................................................................................

8. You cannot speak English better because you don't have more prace.

-> If .....you had more prace, you could speak English better............................................................................................................

9. John does not arrive soon and we will have to go without him..

-> If ......John arrived soon, we wouldn't have to go without him..........................................................................................

10. They are not careful. Therefore, they will make a lot of mistake.

-> If .........they were careful, they wouldn't make a lot of mistake........................................................................................

cảm ơn bạn vì đac giúp mình hôm qua mk được thầy chữa thì cũng có sai một số chỗ thôi nhưng vẫn cảm ơn cậu nhé

1.he worked very hard and got tired

2.she is a famous singer. she sings beautifully

3.Can you speak more clearly, so I can understand what you means

4.she ran very fast so I couldn't catch up with her

5.We lost the match because we didn't play

6.He is a good driver. He drives very carefully

7.Don't walk so quickly. Can you walk more slowly

8.He cycled dangerously and had some accidents

9.It is a very simple question. You can answer it easily

10.She practices speaking English every day, so she can speak it very fluemtly