11. I’ll only help you if you promise to try harder.

- Should  ……you promise to try harder., I’ll help you…………………………………………………

12. If you go out in the rain, you will not get wet.

- Unless …………you don't go out in the rain, you will not get wet. …………………………………………………………

13. I was drowning, but he saved me.

- If he ………hadn't saved me, I would have been downing…………………………………………………………

14. If it doesn’t rain soon, millions of pound’s worth of crops will be lost.

- If …it rains soon, millions of pound’s worth of crops won't be lost. ……………………………………………………………….

15. When you press this button, this machine will start.

- If ………you press this button, this machine will start.……………………………………

16. We got lost because we didn’t have a map.

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

17. Unless someone has a key, we can get into the house.

- If  ……someone has a key, we can get into the house.……………………………………………

18. World population will continue to rise if we do not try to reduce it.

- Unless ……we try to reduce world population, it will continue to rise  ………………………………………………………………

19. You will catch a cold if you don’t keep your feet dry.

- Unless …you keep your feet dry., You will catch a cold ………………………………………………………………

20. We’ll miss our ride home if we don’t leave now.

- Unless …we leave now,  We’ll miss our ride home…………………………………………………………

21. If you don’t rest, you will be ill.

- Unless …you rest, you will be ill. ………………………………………………………………

22. This tree won’t grow if there no water.

- Unless …there is water, This tree won’t grow………………………………………………

1. If we don't hurry up, we'll be late for the concert

2. If you don't go out more often, you will fall ill.

3. If you don't keep calm, you will not pass your driving test.

4. If you don't promise to try harder, I won't help you.

5. If you don't study harder, you'll fail in the next exam. 

6. If you practice speaking every day, you can improve your English. 

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.   I’ll only help you if you promise to try harder.

      Unless you promise to try harder, I won't help you

2.   “You were treating,” said Carol to June:

      Carol accused June of being treating

3.   She bought that house in 1973.

      She has had that house in 1973

4.   They believe he is armed.

      He is believed to be armed

5.   Our house is going to be painted by a local firm.

      We are______going to have our house painted by a locak film____________________________________________________________

6.   “I think you should go by train,” he told us.

      He advised______us to go by train_________________________________________________________

7.   She can’t have any more children because of her age.

      She is too____old to have more children____________________________________________________________

8.   It isn’t necessary to shout.

      You______don't have to shout_______________________________________________________________

9.   It was such a dull play that he fell asleep.

      The play_____so dully that he fell asleep____________________________________________________________

10. “Where is the nearest tube?” she asked.

      She enquired where the nearest tube was.

1. You should take showers to save water.               
If we take showers, we will save water.
2. She missed the train because she got up late.            
As she got up late, she missed the train.
3. I think it would be good idea to help the old people.
I suggest we should help the old people.

rewrite the sentences without changing the meaning
1. mary hasn't made any long trip for five years
-) the last....time mary made any long trip was five years ago...
2. a lot of children and old people have to go to hospitals because of the cold climate
-) because....the climate is cold,a lot of children and old people have to go to hospitals..............
3. i'll only help you if you promise to try harder
-) unless.....you don't promise to try harder,i'll only help you..
4. it is quite pointless to complain
-) there is no.....point in complaining.......
5. we left quietly, so that we wouldn't disturb the children
-) so as......not to disturb the children,we left quietly..........

1) He is very slow, so we won't give his such an important task.
-> If he isn't slow, we will give his such an important task.
2) If you don't promise to try harder, i won't help you
->Unless you promise to try harder, I won't help you.
3) If didn't win a big prize in a lottery, i wouldn'tgive up my job
->Unless I won a bif prize in a lottery, I wouldn't give up my job.
4) Bill failed the test because he didn't study carefully
->If Bills had studied carefully, he wouldn't have failed the test.
5) The dress is very expensive, so she can't but it ( ở đây chắc là buy =))
->If the dress were cheap, she could buy it.
6) 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.
7) If he doesn't study hard, he won't get good mark
->Unless he studies hard, he won't get good mark.
8) He doesn't get a job, so he can't pay his bills
->If he gets a job, he can pay his bills.
9) Save your money or you won't be able to buy the house
->If you save you money, you will be able to buy the house.
10) We missed the train because the clock wasn't right
->If the clock had been right, we wouldn't have missed the train.

#Chúc_bạn_học_tốt_jasss

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

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

Unless you water these plants eveyday, they will die.

 If you don't water these plants everyday, they will die

He will die if nobody brings him to the hospital.

 Unless somebody brings him to th hospital, he will die

She didn’t take your advice , so she failed in her exam.

 If she had taken your advice, she wouldn't have failed in her exam.

Unless you water those flowers regularly, they will wither.

 If you don't water those flowers regularly,they will wither

Without a passport, she couldn’t have left the country.

 If it hadn't been for a passport, she couldn't have left the country

The garage is going to repair the car for us next week.

We are going to the garage repair the car next week

Although his leg was broken, he managed to get out of the car.

 In spite of his broken leg, he managed to get out of the car

I can’t cook as well as my mother does.

 My mother …cooks better than I do……

The fire has destroyed many houses.

 -Many houses……have been destroyed by the fire ………

She won’t visit me again.

 -I wish ……she would visit me again ……

He wrote the letter in two hours.

 -It took ……him two hours to write the letter ………

It was such hot tea that I couldn’t drink it.

- The tea ……was so hot that I couldn't drink it ……

Exercise 4: Supply the correct forms of the verbs in brackets

1. If I had known you were coming, I (ask) _______would have asked_______ him to stay here.

2. He would not have gone home at lunchtime if he (not / be) _______hadn't been______ tired.

3. Yesterday if you (lock) _______had locked______ the door properly, they (not / get) ______woudn't have gotten______ in.

4. If you (study) ______had studied______ for the test last week, you (pass) ______would have passed______ it.

5. Last night, if we (go) ______had gone_____ to the cinema, we (see) ______would have seen______ my friend Jacob.

#Chỉ biết có từng này thui! Thông cảm nha!~~~

Exercise 5: Rewrite the following sentences using conditional sentences.

1. She was away on holiday so she couldn’t come to the party.

=> If she hadn't been away on holiday, she would have come to the party

2. Because you didn’t follow my advice, we got lost.

=> If you had followed my advice, we wouldn't have got lost

3. He couldn’t go abroad because he didn’t have enough money

=> If he had had enough money, he would have gone abroad

. 4. I got up late so I missed the train.

=> If I hadn't got up late, I wouldn't have missed the train

5. I was very busy. I couldn’t help you with your homework.

=> If I hadn't been very busy, I could have helped you with your homework