Be quiet or you will not understand the lesson.

→ If ……………………………………………………………….

Study harder and you will not fail the coming exam.

→ If ………………………………………………………………..

Work harder or you won’t get high salary.

→ If ………………………………………………………………..

Practice speaking English every day or you can’t improve your English.

→ If ………………………………………………………………………………………

Can’t you control the child?

→ You can’t …………………………………………………………………….?

Did they understand the problem?

→ They hardly ……………………………………………………………?

The children are excited about going to the circus.

→ The children are looking …………………………………………………...

Do you find it difficult to speak English?

→ Do you have any …………………………………………………………..?

The Browns last painted the living-room two years ago.

 →The Browns have not ………………………………………………………...

He has studied English for six years.

→ He began ………………………………………………………………………..

Ex 1: Cho dạng đúng của động từ trong ngoặc ( câu ĐK loại 1)

1. If I have time, I ......................(send) you an e-mail every day

2. I will go with you if I ...................(finish) my work early

3. If you...................(be) careful, you.........................(not/ break) the vase

4. If we...........................(not/ hurry), we..................(miss) the bus

5. If you.....................(speak) quickly, I...................................(not/ understand) you

6. What................(you/ do) if you can get their help

7. We....................(play) volleyball if it....................(not/rain) this afternoon

8. If he ........................(spend) more time doing his homework, he....................(do) his tests better

Ex 2: Cho dạng đúng của động từ trong ngoặc ( câu ĐK loại 2)

1. He doesn't have a car. If he....................(have) a car, he...........................(drive) to work

2. If I.....................(live) by the sea, I......................(go) swimming every day

3. If I ........................(be) a teacher, I ........................(not/ give) my students too much homework

4. What....................(you/do) is you............................(have) one million dollars

5. Lan........................(go) with you if she.................(like) rock music

6. Jonh isn't here now. If he.....................(be) here, he..................(help) us

7. If he................(can) use a computer, he................(work) more effectively

8. Where.......................(you/live) if you.......................(can) choose?

Ex 3: Cho dạng đúng của động từ trong ngoặc ( câu ĐK loại 1 or 2)

1. If she were intelligent, she..........................(can) answer that question

2. I'll do it if he ...............(ask) me

3. If it .........................(rain) tomorrow, we'll canced the trip

4. If she.........................(speak) more clearly, I could understand her

5. If you got more exercise, you.........................(feel) better

6. Would you mind if I ................... (use) your phone

7. I won't help you if you..................(not/ try) harder

8. If people keep their environment clean, they...........................(live) a healthy life

9. I don't have a car. If I .................(have) one, I................(lend) it to you

10. If it.................(stop) raining, we could go out

Ex 4: Rewrite the following sentences, using the words provieded

1. Be careful or you will drop the plates

--> If you..........................................................................

2. Tell me the truth or I won't help you

--> If you.............................................................................

3. Hurry or you'll come to class late

--> If you.............................................................................

4. Listen carefully or you won't understand the lesson

--> If you..............................................................................

5. I don't know the anseer, so I can't tell you

--> If I........................................................................................

6. She is ill, so she can't come to class today

--> If she....................................................................................

7. The book is too expensive, so I won't buy it

--> If the book...........................................................................

8. I can't open the door because I don't have the key

--> If I...................................................................................

9. We can't go to the beach because it is rainning now

--> If it..................................................................................

10. The bike is broken, so I have to walk to school

--> If the bike........................................................................

1. If you study your lesson carefully, you …………good marks. (get)

2. If he ………… free , he will go to the movies . (be)

3. If you … this word, you can look it up in the dictionary. (not understand)

4. We would go for a picnic if the weather ………… fine. (be)

5. I couldn’t sleep if I ……………… coffee at night. (drink)

6. He …… the exam if he studied hard. (pass)

7. You ………English more easily if you have more practice. (study)

8. If we use more oil and coal, pollution ………………… (increase)

9. If she came late again, she …… her job. (lose)

10. She would go to school late if she ……………up early. (not get) 

Exercise 2: Viết lại các câu sau sang dạng câu điều kiện thích hợp.

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

→ ………………………………………………………….

2. Be quiet or you won’t understand the lesson.

→ If…………………………………….....….…….

3. Jack doesn’t know her number, so he doesn’t ring her up. →If…………………………………….....….……..

4. Drink much water, and you will get better.

→……………………………………….….…...

5. He is late every day. He is fired →………………………………………………...……

6. Peter eats so much fast food,so he is fat →……………………………………………………...…..

7. Robert doesn’t wear coat. He gets a bad cold→………………………………..…..

8. He has to study for his exam. He can’t go out. à ……………………………………………………………
9. She is lazy so she can’t pass the exam.à …………………………………………………………………
10. He doesn’t take any exercises. He is so unhealthy.
à …………………………………………………………………………………………

Exercise 2: Viết lại các câu sau sang dạng câu điều kiện thích hợp.

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

→ ………………………………………………………….

2. Be quiet or you won’t understand the lesson.

→ If…………………………………….....….…….

3. Jack doesn’t know her number, so he doesn’t ring her up. →If…………………………………….....….……..

4. Drink much water, and you will get better.

→……………………………………….….…...

5. He is late every day. He is fired →………………………………………………...……

6. Peter eats so much fast food,so he is fat →……………………………………………………...…..

7. Robert doesn’t wear coat. He gets a bad cold→………………………………..…..

8. He has to study for his exam. He can’t go out. à ……………………………………………………………
9. She is lazy so she can’t pass the exam.à …………………………………………………………………
10. He doesn’t take any exercises. He is so unhealthy.
à …………………………………………………………………………………………

       I.            Rewrite each of the following sentences in another way so that it means almost the same as the sentence printed before it:

1.      Be quiet or you will not understand the lesson.

→ If ___________________________________________________________________

2.      Study harder and you will not fail the coming exam.

→ If ___________________________________________________________________

3.      Work harder or you won’t get high salary.

→ If ___________________________________________________________________

4.      Practice speaking English every day or you can’t improve your English.

→ If ___________________________________________________________________

5.      The children like to walk in the rain.

→ The children enjoy _____________________________________________________

→ The children are _______________________________________________________

6.      I think surfing the Net is useful.

→ I find it_______________________________________________________________

7.      I don’t think she broke the vase accidentally.

→ I think _______________________________________________________________

8.      Watching TV consumes a lot of time.

→ Watching TV is a ______________________________________________________

9.      Can’t you control the child?

→ You ________________________________________________________________ ?

10.  “I don’t know anything about it,” he said.

→ He denied ____________________________________________________________

11.  Did they understand the problem?

→ They hardly__________________________________________________________ ?

12.  He forced me to put my hands up and quickly searched through my pockets.

→ I ____________________________________________________________________

13.  “Don’t forget to phone the office,” she told him.

→ She reminded _________________________________________________________

14.  Mary will watch the film in three hours.

→ It will ________________________________________________________________

15.  The children are excited about going to the circus.

→ The children are looking_________________________________________________

16.  He is interested in reading detective books.

→ He enjoys _____________________________________________________________

17.  Do you find it difficult to speak English?

→ Do you have any _______________________________________________________

18.  My father needs 15 minutes to read “Tuoi Tre” newspaper every morning.

→ My father spends_______________________________________________________

19.  The floor was cleaned by Loan

→ Loan_________________________________________________________________

20.  The Browns last painted the living-room two years ago.

→ The Browns have ______________________________________________________

21.  Would you close the door, please?

→ Would you mind ______________________________________________________ ?

22.  They didn’t allow us to smoke here.

→ They didn’t let _________________________________________________________

23.  My teacher advised buying that book.         

→ My teacher advised us ___________________________________________________

24.  He has studied English for six years.

→ He began _____________________________________________________________

25.  It is necessary to master English.     

→ Mastering ____________________________________________________________

26.  He spent two hours writing the essay.          

→ It took _______________________________________________________________

27.  He expects to hear from her as soon as possible.

→ He is looking __________________________________________________________

28.  I would like you to help me (to) put the chairs away?

→ Do you mind _________________________________________________________ ?

29.  Don’t forget that you have to do this homework.

→ Please remember _______________________________________________________

30.  Don’t ask so many questions.

→ Please stop ____________________________________________________________

31.  He hasn’t smoked for 3 years.

→ He stopped ____________________________________________________________

32.  It's not a good idea to travel during the rush hour.

→ It's better to____________________________________________________________

11. Travel a lot and you will know more about my beautiful country

               If …………………………………………………………………

12. Be careful or you’ll break the vase

               If ………………………………………………………………

13.Work hard or you will fail the exam

               If ………………………………………………………………

14. I’ll let you borrow the book, but you must promise to return it next week

               If …………………………………………………………………

15. The sea gets warmer, and the ice at the North and South Poles melts

               If …………………………………………………………………

16.He can do a part to save the environment by buying recycled products.

               If …………………………………………………………………………

17.Putting garbage into the bins is one answer to minimize pollution

                     If ………………………………………………………………………

18..Working too much will make you tired.

               If …………………………………………………………………………

19.Don’t be careless or you will fall over the rock

              If …………………………………………………………………………

20.Peter will pass his exam, but he has to study hard.

                     If ……………………………………………………………………

1. Be quiet or you will not understand the lesson.

→ If

2. Study harder and you will not fail the coming exam.

→ If

3. Work harder or you won’t get high salary.

→ If

4. Practice speaking English every day or you can’t improve your English.

→ If

5. The children like to walk in the rain.

→ The children enjoy

→ The children are

6. I think surfing the Net is useful.

→ I find it

7. I don’t think she broke the vase accidentally.

→ I think

8. Watching TV consumes a lot of time.

→ Watching TV is a

9. Can’t you control the child?

→ You ?

10. “I don’t know anything about it,” he said.

→ He denied

11. Did they understand the problem?

→ They hardly ?

12. He forced me to put my hands up and quickly searched through my pockets.

→ I ____________________________________________________________________

13. “Don’t forget to phone the office,” she told him.

→ She reminded

14. Mary will watch the film in three hours.

→ It will

15. The children are excited about going to the circus.

→ The children are looking

16. He is interested in reading detective books.

→ He enjoys

17. Do you find it difficult to speak English?

→ Do you have any

18. My father needs 15 minutes to read “Tuoi Tre” newspaper every morning.

→ My father spends

19. The floor was cleaned by Loan

→ Loan

20. The Browns last painted the living-room two years ago.

→ The Browns have