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.   Would you visit me if I were sent to prison?
=> Were I to sent to prison, would you visit me?

2.   I didn’t see the signal, so I didn’t stop.
=> Had I seen the signal, I would have stopped.

3.   If she didn’t feel very tired today, she could cook.

=> UnLess she feels very tired today, she could cook.

4.   If I were you, I would tell him the truth
=> Were I you, I would tell him the truth.

5.   If I know the answer, I will tell you.
 => Should I know the answer, I will tell you.

6.   He is ill. He can’t go skiing.

=> If he weren't ill, he could go skiing.

7.   If the computer hadn’t broken down and I wouldn’t have had to stop my work.
=> Had the computer not broken down, I wouldn’t have had to stop my work.

8. If You must leave home early or you will miss the flight.

=> If you don't leave home early, you will miss the flight.

9. If his friends hadn’t been late, they wouldn’t have missed the train.
=> Had his friends not been late, they wouldn’t have missed the train.

10. Ken ate many ice creams so he felt sick.

=> If Ken hadn't eaten many ice creams, he wouldn't have felt sick.

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 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_________.

C

C

C

REFER 1->10

Make conditional sentences:

1. Keep silent or you’ll wake the baby up. →If YOU DON'T KEEP SILENT , YOU WILL WAKE THE BABY UP……………………………………………..…..………

2. Stop talking or you won’t understand the lesson.→ If ………YOU DON'T STOP TALKING , YOU WON'T UNDERSTAND THE LESSON…………………………….....….…….

3. I don’t know her number, so I don’t ring her up.→ If I KNEW THE NUMBER, I WOULD RING HER UP…………………………………….....….……..

4. I don’t know the answer, so I can’t tell you.→ If ……I KNEW THE ANSWER, I COULD TELL YOU……………………………………….………..

5. We got lost because we didn’t have a map.→ If ……………WE HAD ……………HAD A MAP, WE WOULDN'T HAVE GOT LOST………….……..…….……

6. Susan felt sick because she ate four cream cakes. →……IF SUSAN HADN'T EATTEN FOUR FCREAM , SHE WOULDN'T HAVE FELT SICK………………………………………..……

7. Without this treatment, the patient would have died. →…IF HE HADN'T RECEIVED THIS TREATMENT, THE PATIENT WOULD HAVE DIED…………………………………….….…...

8. He lost his job because he was late every day. →……IF HE HADN'T BEEN LATE EVERYDAY, HE WOULDN'T…HAVE LOST HIS JOB………………………………………...……

9. Peter is fat because he eats so many chips. →…………IF PETER DIDN'T EAT SO MANY CHIPS,HE WOULDN'T BE FAT…………………………………………...…..

10. Robert got a bad cough because he started smoking cigarettes. →………IF ROBERT HADN'T STARTED SMOKING CIGARETTES, HE WOULDN'T HAVE GOT A BAD COUGH………………………..…..

11. She had her mother take care of her son when she went on a business trip

-> She had her son taken care of by her mother  when she went on a business trip

12. I don't have enough money, so i can't buy that printer

->  If I had enough money, I'd buy a new computer.

13. Because i didn't have her number, i didn't invite her to my wedding

->  If I had had her number, I could have invited her to my wedding.

1. Keep silent or you'll wake the baby up

-> If you don't keep silent, you'll wake the baby up

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

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

3. I don't know her number, so i don't ring her up

->If I knew her number, I would ring her up

4. I don't know the answer, so i can't tell you

->If I knew the answer, I could tell you

5. We got lost because we didn't have a map

->If we had had a map, we wouldn't have got lost

6. Susan felt sick because she ate four cream cakes

->If Susan hadn't eaten four cream cakes, she wouldn't have felt sick

7. Without this treatment, the patient would have died

-> If it hadn't been for this treatment, the patient would have died

8. He lost his job because he was late every day

-> If he hadn't been late everyday, he wouldn't have lost his job

9. Peter is fat because he eats so many chips

-> If Peter didn't eat so many chips, he wouldn't be fat

10. Robert got a bad cough because he started smoking cigarettes

-> If Robert hadn't started smoking cigarettes, he wouldn't have got a bad cough

11. She had her mother take care of her son when she went on a business trip

-> She had her son taken care of by her mother when she went on a business trip

12. I don't have enough money, so i can't buy that printer

-> If I had enough money, I could buy that printer

13. Because i didn't have her number, i didn't invite her to my wedding

-> If I had had her number, i would have invited her to my wedding

rewrite these sentences, using conditional sentences

1, she is very shy ; that's why she doesn't enjoy parties

=> If she weren't very shy, she will enjoy parties.

2, he is very unhealthy because he doesn't take any exercise

=> If he took some exercise, he will be very healthy.

3, i didn't see the signal,so didn't stop

=>If I had seen the signal, I would have stopped.

4, the only way that i can take you is my father lends me a car

=> If my father lends me a car, I can take you

5, he doesn't save enough to bye a computer but he'd like to

=> If he saved enough, he would buy a computer.

6, i'd like to go with you tonight but i am very busy

=> If I weren't very busy, I would go with you tonight.

7, she wasn't able to answer the questions, so she failed the exam

=> If she had been able to answer the questions, she wouldn't have failed the exam.

8, the reason why didn't phone you wa that i didn't know your phone number

=> If I had known your phone number, I would have phoned you.

rewrite these sentences, using conditional sentences

1, she is very shy ; that's why she doesn't enjoy parties

=> If she weren't very shy, she will enjoy parties.

2, he is very unhealthy because he doesn't take any exercise

=> If he took some exercise, he will be very healthy.

3, i didn't see the signal,so didn't stop

=> If I had seen the signal, I would have stopped.

4, the only way that i can take you is my father lends me a car

=> If my father lends me a car, I can take you.

5, he doesn't save enough to bye a computer but he'd like to

=> If he saved enough, he would buy a computer.

6, i'd like to go with you tonight but i am very busy

=> If I weren't very busy, I would go with you tonight.

7, she wasn't able to answer the questions, so she failed the exam

=> If she had been able to answer the questions, she wouldn't have failed the exam.

8, the reason why didn't phone you wa that i didn't know your phone number

=> If I had known your phone number, I would have phoned you.