2. If – clause:

1. Study hard or you will fail the exam.

→ If you …………………………………………………………

→ If you …………………………………………………………………………………………………

2. Work hard or you won’t pass your examination.

→ If you ………………………………………………………………………………………………….

→ If you ………………………………………………………………………………………………….

3. Water flowers or they will die.

→ If you ………………………………………………………………………………………………….

→ If you ………………………………………………………………………………………………….

4. Keep the environment clean or we won’t have an ideal place to live.

→ If we ………………………………………………………………………………………………….

→ If we ………………………………………………………………………………………………….

5. Get up early or you’ll be late for school.

→ If you ………………………………………………………………………………………………….

→ If you ………………………………………………………………………………………………….

1. It’s a pity I can’t play the guitar well.

→ I wish……………………………………..………………………………..

2. I have been doing homework for two hours.

→ I started …………………………………………………………………

3. Study hard or you will fail the final exam.

→ If you………………………………………………………..

4. They will build a new market near my house

→ A new market………………………………………………………….

5. “Are you going to my party tonight?” She asked me.

→ She asked me ……

6. “Why don’t you come to class today?” she asked me.

→ She asked me………………………………………………………

  51.She doesn’t go to China with us.

→We wish ………………………………………………………………………………………………

  52.He can’t buy this bike because he doesn’t have enough money.

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

  53.Study hard or you will fail the final exam.

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

  54.I’m sorry, I cant speak English fluently.

→I wish …………………………………………………………………………………………………

  55.It’s a pity that you aren’t here now.

→I wish ………………………………………………………………………………………………….

  56.This problem seems diffficult for her.

→She wishes ……………………………………………………………………………………………

  57.Water these flowers or they will die.

→Unless …………………………………………………………………………………………………

  58.You practise your English regularly, and your English will improve.

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

  59.The students don’t study hard.

→I wish …………………………………………………………………………………………………

  60.He spent 2 hours writing the letter.

→It took …………………………………………………………………………………………………

  61.”Will you visit the Taj Mahal ?”He asked me.

→He asked me …………………………………………………………………………………………..

  62.Peter usually played soccer but now he doesn’t play anymore.

→Peter used ……………………………………………………………………………………………                                                                                                        

  63.I don’t have free time, so I can’t help you.

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

  64.They built that house 100 years ago.

→That house ……………………………………………………………………………………………

  65.I lent your book. It was written by a friend of mine. She lives in France.

→That book I ……………………………………………………………………………………………

  66.He intended to make a long journey with her 
→ He had………………………………………………………………………………………………  

67. He is going to visit her friends in HCM city 
→He is going to ……………………………………………………………………………………
  68. He decided to buy his house 2 years ago -
→He made …………………………………………………………………………………………

  69. He has no intention of leaving the city 
→He doesn't ………………………………………………………………………………………  

70. In stratford-on-Avon, we saw Shakespare's birthplace 
→We saw the house ……………………………………………………………………………….
  71. I'm sure you didn't lock the front door. Here is the key 
→You can't ……………………………………………………………………………………………..
  72. You don't need to talk so loudly
→There is ………………………………………………………………………………………………
  73.The train couldn't run because of the snow.

 →The snow ……………………………………………………………………………………………..
  74.He learned to drive when he was 10 years old.
→He has ………………………………………………………………………………………………...
  75. He failed to win the race.
→He didn't ………………………………………………………………………………………………
  76. A train leaves at eight o'clock every morning.
→There is ………………………………………………………………………………………………..
  77. My suit needs to be cleaned before the meeting.
→I must ………………………………………………………………………………………………...
  78. "You stole my best cassette, Amanda".
→William accused ……………………………………………………………………………………...
  79. The train journey from London to Bristol takes two hours.
→ It is a ………………………………………………………………………………………………….
  80. It was careless of you to leave the window open lastnight.
→You shouldn't ………………………………………………………………………………………..
  81. Alice finds it easy to make friends.
→Alice has no ………………………………………………………………………………………….
  82. The man injured in the accident was taken to the hospital.
→The man who ………………………………………………………………………………………..
  83. Nam and his family went on a trip to their home village for two days. 
→Nam and ……………………………………………………………………………………………...

  84. They haven't phoned us for a month.
→It has been ……………………………………………………………………………………………
85. Excuse me, aren't you employed by that company?
→ Excuse me, don't you…………………………………………………………………………………
  86. I've never been to a less exciting concert.
→It was …………………………………………………………………………………………………
  87. That old key board is not worth repairing.
→It is pointles …………………………………………………………………………………………..
  88. I can't hardly understand a word of this.
→ (difficulty) …………………………………………………………………………………………...

  89. "Why don't you postpone your trip till the fall, Jim?"
→Mary postpone …………………………………………………………………………………... off.
  90. Was it your idea that I should pay?
→Did you mean ………………………………………………………………………………………...
  91. I was never shown you how to operate that machine.
→At no time …………………………………………………………………………………………….
  92. We have no definite plans to go away.
→ We are not ……………………………………………………………………………………………
  93. A locksmith makes and repairs locks.
→A locksmith is ………………………………………………………………………………………...
  94. They have no money to buy this house.
→They don't ……………………………………………………………………………………………
  95. Orginally, tennis was an indoor game.
→Tennis used …………………………………………………………………………………………

  96.I used to own a dog. People came to the door. The dog never barked at them.

→The dog ………………………………………………………………………………………………

  97.I bought my car from a woman. She lives in a house. You can see the house over there.

→The woman I …………………………………………………………………………………………

  98.My friend Bill has decidedto buy a motorbike. His car was stolen last week.

→My friend Bill, ………………………………………………………………………………………..

  99.I bought a new car. It cost me a lot of money.

→The new ………………………………………………………………………………………………

  100.Please don’t leave your motorbike outside the back door.

→I’d rather ……………………………………………………………………………………………..

51.She doesn’t go to China with us.
→We wish ………………………………………………………………………………………………
52.He can’t buy this bike because he doesn’t have enough money.

3

→If ………………………………………………………………………………………………………
53.Study hard or you will fail the final exam.
→If ………………………………………………………………………………………………………
54.I’m sorry, I cant speak English fluently.
→I wish …………………………………………………………………………………………………
55.It’s a pity that you aren’t here now.
→I wish ………………………………………………………………………………………………….
56.This problem seems diffficult for her.
→She wishes ……………………………………………………………………………………………
57.Water these flowers or they will die.
→Unless …………………………………………………………………………………………………
58.You practise your English regularly, and your English will improve.
→If ………………………………………………………………………………………………………
59.The students don’t study hard.
→I wish …………………………………………………………………………………………………
60.He spent 2 hours writing the letter.
→It took …………………………………………………………………………………………………

Dạng đổi mệnh đề "IF"/"UNLESS" co từ OR 1 Work hard or you'll fail the exams. -> Unless_ 2 Save some money or you won't be able to buy the house. -> If 3 Behave yourself or your parents will be very unhappy. -> Unless 4 Have your hair cut or they won't let you in. ->If 5 Do it carefully or you will feel sorry afterwards. -> Unless 6 Ask him first or he won't offer to help. -> If 7 Go out more often or you'll fail ill. -> Unless 8 Take a hat with you or you'll be caught in the rain on the way back. -> Unless 9 Write it again more carefully or he won't be able to read it. -> If 10 Have another look at those lessons or you'll get bad marks. Unless

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 ……………………………………………………………………

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 ………………………………………………………………………..