1. If I had known his address in London, I would have visited him.

2. Speak clearly or else the audience won’t understand you.

3. Angela, if you were old enough, you would be able to get a motorbike.

4. I would mind being transferred to another city on condition that they didn’t offer me a higher salary.

5. If he decides to go shopping, I might go with him.

6. If you don’t want to go to a restaurant, we can have dinner here.

7. If they had not been wearing seat belts, they would have been seriously injured.

8. I would travel all over the world if I had enough money.

1/ I had no maps, that's why i got lost. If i (have) had had a map i (be) would have been  all right.

2/ the job is much worse than i expected. If i (realise) realised/had realised how awful it was going to be I (not accept) wouldn't accept/would not have accepted it.

3/I'm sorry you didn't tell me that dogs were allowed in hotel; if i (know) had known i (bring) would have brought my dog. He (enjoy) enjoys the walk.

4/ It rained, which spoiled our picnic, but if it (not rain)hadn't rained it (be)would have been a great success.

5/ I didn't recognize him at first because he was wearing dark glasses, if he (not wear)hadn't worn them, i( recognize) would have recognized  him immediately.

6/ Why didn't you phone me from village ?

Because there was no phone in the village. if there (be)had been, of course we (phone)would have phoned from there.

1.She can't take part in the game with us

=>I wish she could take part in the game with us

2.I can't visit him because I don't know his address

=>If I knew his address, I could visit him

3.Mary is reading a book.It is very interesting

=>Mary is reading a book which is very interesting

I wish she could take part in the game with us

If I knew his address,I could visit him

Mary is reading an interesting book

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 

1 . If I see him, I (give) will give him a gift.

2. If I had a typewriter, I (type) would type it myself.

3. If I had known that you were in hospital, I (visit) would have visited you.

4. You could make better progress if you (attend) attended class regularly.

5. If I (know) knew his telephone number, I’d give it to you.

6. If you (arrive) had arrived ten minutes earlier, you would have got a seat.

7. He could get a job easily if he (have) had a degree.

8. I shouldn’t have believed it if I (not see) hadn't seen it with my own eyes.

9. If he (study) studies hard, he can pass the exam.

10. If she had asked you, you (accept) would you have accepted?

11. Rice plants (grow) will grow well if there is enough rain.

12. He might get fat if he (stop) stopped smoking.

13. What you (do) would you do if you found a burglar in your house?

14. If she (not hurry) doesn't hurry, she may be late.

15. If I (try) had tried again, I think that I would have succeeded.

16. Water (not run) wouldn't run downhill if there were not gravity.

17. If I tell you a secret, you (promise) will promise not to tell it to anyone else?

18. Tell him to ring me if you (see) see him.

19. The police (arrest) will arrest him if they catch him.

20. If you (speak) had spoken more slowly, he might have understood you.

II. Use UNLESS instead of IF.

1. If you are not careful, you will cut yourself with that knife.

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

2. If you do not like this one, I’ll bring you another.

-> Unless you like this one, I’ll bring you another. 

3. I’ll not be able to do any work if I do not have a quiet room.

-> Unless I have a quiet room, I’ll not be able to do any work.

4. If she does not hurry, she’ll be late.

-> Unless she hurries, she’ll be late. 

5. If we had more rain, our crops would be better.

-> Unless we had more rain, our crops wouldn't be better. 

6. The crops would have been ruined if the flood had risen higher.

-> Unless the flood had risen higher, the crops wouldn't have been ruined.

7. If you had not sneezed, he wouldn’t have known that we were there.

-> Unless had sneezed, he wouldn’t have known that we were there. 

8. If she did her hair differently, she would look quite nice.

-> Unless she did her hair differently, she wouldn't look quite nice.

9. If John had played for our football team, we would not have lost the game. 

-> Unless John had played for our football team, we would have lost the game. 

10. If I won a big prize in a lottery, I’d give up my job.

-> Unless I won a big prize in a lottery, I wouldn't give up my job.

1. will give

2 would type

3 would have visited

4 attended

5 knew

6 had arrived

7 had

8 had not seen

9 studies

10 would you have accepted

11 will be grown

12 stops

13 would you do

14 doesn't hurry

15 had tried

1 . If I see him, I will give him a gift. 

2. If I had a typewriter, I type it myself. 

3. If I had known that you were in hospital, I will visit you. 

4. You could make better progress if you attend class regularly. 

5. If I have know his telephone number, I’d give it to you. 

6. If you arrive ten minutes earlier, you would have got a seat. 

7. He could get a job easily if he had a degree. 

8. I shouldn’t have believed it if I didn't it with my own eyes. 

9. If he study hard, he can pass the exam. 10. If she had asked you, you accepting? 

11. Rice plants grow well if there is enough rain. 

12. He might get fat if he stop smoking. 

13. What you doing if you found a burglar in your house?

 14. If she didn't hurry, she may be late. 

15. If I had try again, I think that I would have succeeded. 

16. Water not run downhill if there were not gravity. 

17. If I tell you a secret, you will promise not to tell it to anyone else? 

18. Tell him to ring me if you saw him.

 19. The police would arrest him if they catch him. 

20. If you speak more slowly, he might have understood you. II. Use UNLESS instead of IF. 1. If you are not careful, you will cut yourself with that knife. 2. If you do not like this one, I’ll bring you another. 3. I’ll not be able to do any work if I do not have a quiet room. 4. If she does not hurry, she’ll be late. 5. If we had more rain, our crops would be better. 6. The crops would have been ruined if the flood had risen higher. 7. If you had not sneezed, he wouldn’t have known that we were there. 8. If she did her hair differently, she would look quite nice. 9. If John had played for our football team, we would not have lost the game. 10. If I won a big prize in a lottery, I’d give up my job.

giúp mk gấp nha

she told me the secret although she having promised

1. She told me the secret, despite having promised not to do so.(although)

- .......Although she had promised not to tell me the secret, she did so ...........................................................................................................

2. I used to live in London but i don't anymore.

- No longer..do I live in London, .................................................................................................

3. I didn't let you know it because you were too young then.

- Had you........been older, I would have let you know it......................................................................

ở đây là toán mà đâu phải tiếng anh

1. If my parents allowed me to go, I wouldn't have to stay at home.

2. If the computer hadn't broken down, I wouldn't have had to stop my work.

3. If she didn't love him, she wouldn't forgive he easily.

4. If you had often talked to them, they would have understood you.

5. If I had had a dictionary, I could have looked the word up.

6. If Sandra had got her camera, she could take a photo.

7. If I didn't have to work tomorrow evening, I would meet you.

8. If it hadn't been raining, we could have had lunch in the garden.

9. If Susan had got a watch, she wouldn't be often late for work.

10. If he didn't smoke forty cigarettes a day, he wouldn't cough a lot.

11. If I had a boat, I would sail around the world.

12. If they had had a garden, they would have grown vegetables.

13. If I had known his address, I would have given it to you.

14. If the doctor hadn't been so late, he could have seen many patients.