87. It is three years since she read this novel.

→ She last

88. I can’t finish my work in twenty minutes.

→ It is impossible ………………………………………………………………………

89. In the future, home robots can do all our housework.

→ In the future, home robots  will…………………….………………………..………

90. Study hard or you won't pass the exam.

→ Unless ………………………………

II. Make conditional sentences, using if or unless. 1. Ican't finish this task if you don't give me a hand. 2. You will run out of money if you don't stop wasting it. 3. Don't call me unless it is an emergency. 4. James will not pass the test unless he studies harder. 5. If Jane finishes her work before 6 p.m, she will dine out with her friends. 1. Work hard and you will pass your exam. If 2. My brother is not good at playing tennis. My brother does not . 3. r'll be on vacation next week, so I won't be able to attend the meeting. Since 4. If you don't start working hard now, you won't be able to pass the final test. Unless . 5. Someone should take this garbage to the garbage dump soon. This garbage 1. I am a member of the anti-pollution program in my school. I often go to school by bus. (so) 2. The trees in this area were cleaned off. Public facilities would be constructed. (because of) 3. All the roads were flooded because it had been raining heavily. (due to) 4. Jimmy ate a lot of fast food, so he put on 10kilograms within just two months. (because) 5. My father got upset because I repeatedly left on the lights I was not using. (so)

Finish the second sentence in each pair, using If or Unless.

1.   If you don’t do better work than this, you won’t pass the exam.

2.   You can’t visit the United States unless you get a visa.

3.   Unless someone has a key, we can’t get into the house.

4.   Unless he phones immediately, he won’t get any information.

5.   If Joe doesn’t change his ways, he will end up in prison.

6.   If he doesn’t work harder, he’ll lose his job.

7.   If it rains, we won’t go swimming.

8.   You will become ill unless you stop working so hard.

9.   If you work hard, you’ll pass your exam.

10.  Unless you hurry, you won’t catch the bus.

11.  If he doesn’t start work right now, he’ll never finish it.

12.  We won’t get there on time without taking a taxi.

13.  Joan will stay on at school unless she finds a good job before September.

14.  If you don’t rest, you really will be ill.

15.  The child will die if nobody sends for a doctor.

16.  You won’t find any accommodation if you don’t book it in advance.

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

18.  I’ll call the police if you don’t leave me alone.

20. If he fails the final examination, he won’t be able to graduate.

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

22. If you don’t like this one, I’ll bring you another.

23. I’ll not able to do any work if I don’t have a quiet room.

24. If she doesn’t hurry, she’ll be late.

If he doesn’t take more care, he’ll have an accident.

-> Unless . ……………………………………………………………………………………………………….. .

The crops will be ruined if it doesn’t rain soon.

-> Unless ......... . ………………………………………………………………………………………………..

27.           Unless the weather is fine, we’ll stay at home.

->  If . . . . ………………………………………………………………………………………………………..

28.           I can’t go with you unless I get my work finished.

-> If ............... . ………………………………………………………………………………………………………..

29.           If you don’t leave on the 15^th , you’ll get home late for your mother’s party.

-> Unless............ . ………………………………………………………………………………………………..

30.           Tom never does anything unless his father tells him what to do.

-> If ............ . ………………………………………………………………………………………………………..

31.           Don’t take this job if you don’t really want it.

-> Unless ............ . ………………………………………………………………………………………………..

32.           If she does nothing to prepare for the test, she will get bad marks.

-> Unless ......... . ……………………………………………………………………………………………………..

33.           You can’t visit the United States unless you get a visa.

-> If ............... . ………………………………………………………………………………………………………..

34.           Unless you remember our address, you can find it in the phone book.

-> If ...................... . …………………………………………………………………………………………..

34. He / work/ five / days / a week / Monday / Friday.

....................................................................................................................................

35. Study hard or you can’t pass the exam.

- If ………………………………………………………………………………………

I- Rewrite these sentences

1.My father would rather watch films than football

->My father prefers.........................................................

2. If you don’t work hard, you will fail your exam        

->Unless...............................................................................

3. Bao is too young to cycle to school                                         

->Bao isn’t.......

4. She wasn’t very happy. She was born in a rich family         

( However )…………………………………………………………..

5.I received some money from my aunt this morning   

->My aunt gave.....................................................................

6. Learning English is not easy                                                     

->It is...............................................................

7 I am happy when I get good marks                                            

->Good marks make...........................................................

8. Noone in my class studies better than Hoa                 

->Hoa studies..............................................

9. Her new dress cost her 500,000 VND                         

->She spent.....................................................

10. The school is far. We can’t walk there                                  

->The school is so..................................................

11. How wide is this river?                                                            

->What is the..................................................................?

12. She married a man. The man is 50 years old                        

->She married a.......

Rewrite the sentences in such a way that they mean almost the same as those printed before them.
4. You must study hard or you won’t pass the exam.
=> Unless  …………………………………………………………………………………
5. He likes to listen to pop music better than to watch TV after school.
=> He prefers  …………………………………………………………………………….
6.  My brother studies now harder than he used to.
=> My brother ……………………………………………………………………
7.  Please don’t ask me that question.
=> I’d rather ……………………………………………………………………
Mọi người đính kèm công thức giùm mình với nhé

Rewrite: 1. Tom said: “My teacher is explaining the lesson now” 2. Tom doesn’t study hard. He can’t pass the exam. (If loại 2) 3. Shall we take a shower instead of a bath? 4. You are too young to join the team. (enough) 5. The test was so difficult that we couldn’t do it. 6. I don’t know how to design a website. 7. It takes my brother three hours to finish his HW every night. 8. “What time will the office close this evening?” 9. “Don’t shout.” I said to Jim 10. My car is not as modern as his car. (cont) 11. This city had old buildings, but none can be found nowadays. => There used to … 12. He coughs a lot because he smokes forty cigarettes a day. (type 2) => 13. I decorated my room. I want to make it more beautiful. (so as to) => 14. He drives carefully. He doesn’t get accidents. (in order to) => 15. Do you help me water the flowers? (Would you mind …) => 16. May I go out after finishing my HW? (Would you mind if I …) => 17. The girl is quite familiar with speaking English. (The girl gets used …) => 18. This flat is big but our old one was bigger. => This flat is not … 19. The water-color is not as cheap as the oil-painting. => The oil-painting … 20. She is so clever that she can cook many kinds of food. => She is such a … 21. Hangzou Bay Bridge is the longest bridge in the world. => No bridge … 22. The snow was heavy. We couldn’t arrive home early. => The snow was too … 23. What a pity she can’t play the piano. => She wishes she … 24. My mother spent one week making her wedding dress. => It took my mother … 25. The house is too small for us to park our car. => The house is not … enough … 26. Why don’t we go to the countryside? => I suggested … 27. My mother asked me: “Post the card tomorrow.” => My mother asked me … 28. Study hard or you will fail the coming exam. => If you …

Rewrite the sentences without changing the meaning.

1. He can’t go out because he has to study for his exam.

→ If ..................................................................................................................................

2. She is lazy so she can’t pass the exam.

→ If ..................................................................................................................................

3. He will pay me tonight; I will have enough money to buy a car.

→ If ..................................................................................................................................

4. He smokes too much; that’s why he can’t get rid of his cough.

→ If ..................................................................................................................................

5. She is very shy, so she doesn’t enjoy the party.

→ If ..................................................................................................................................

6. I get a work permit. I will stay for another month.

→ If ..................................................................................................................................

7. He doesn’t take any exercises. He is so unhealthy.

→ If ..................................................................................................................................

8. We can’t get the ticket because I don’t have the right change.

→ If ..................................................................................................................................

9. Study hard or you won’t pass the exam.

→ If ..................................................................................................................................

10. Don’t be impatient or you will make mistakes.

→ If ..................................................................................................................................