1.we will wait for you if you are late-they said to me

=> They said to me that they would wait for me if i was late

2 we must hurry if we don't want to be late-they said to me

=> They told me to hurry in order not to be late.

chuyển sang gián tiếp

1.Many people don't believe in the eristence of the ufos.

=>They said they didn't believe in the existence of the UFOs.

2. We will collect the garbage around the school yard.

=>Our teacher said to us we would collect the garbage around the school yard​.

3. Wearing the ao dai makes you look more graceful.

=>My friend said that wearing the Ao dai makes me look more graceful.

4. We will not wait for you if you come late tomorrow moring

=>They said they wouldn't wait for me is I came late the next day.

1. We must leave now , or we will miss the plane

=> If we don't leave now , we will miss the plane

2. Be careful or you many fall

=> If you are careless , you may fall

3. Hurry up or we'll be late for the concert

=> If we don't hurry up , we will be late for the concert

4. Oủ sources of energy will soon end if we don't try to save them

=> Unless we try to save our sources of energy , it will soon end

5. You will catch a cold if you don's keep your feet dry

=> Unless you keep your feet dry , you will catch a cold

6. Unless we protect the envirmonent , we will destroy ourselves

=> If we don't protect the eviroment , we will destroy ourselves

7. If she is more hard - working , she will get low marks

=> Unless she isn't more hard-working , she'll get low marks

8. Unless he listens to his parents , he will fail

=> If he doesn't listen to his parents , he will fail

1. We must leave now , or we will miss the plane

=> If we don't leave now , we will miss the plane

2. Be careful or you many fall

=> If you are careless , you may fall

3. Hurry up or we'll be late for the concert

=> If we don't hurry up , we will be late for the concert

4. Oủ sources of energy will soon end if we don't try to save them

=> Unless we try to save our sources of energy , it will soon end

5. You will catch a cold if you don's keep your feet dry

=> Unless you keep your feet dry , you will catch a cold

6.If she doesn't work harder, she'll lose her job

=> Unless she works harder, she won't lose her job

7.We will cycle to school every day. We will keep fitter

If we cycle to school every day, we will keep fitter .

8. We will use recycled products. We will save money

If we use recycled products, we will save money.

1. We don’t have enough money, so we can’t buy that house.

A. If we had enough money, we could buy that house. B. We could buy that house if we have enough money.

C. If we had had enough money, we could buy that house. D. We could have bought that house if we had had enough money.

2.Water these plant or they will die

A.Unless you water these plants ,they will die B.Unless you watered these plants ,they will die

C. Unless you water these plants ,they won’t die D. If you water these plants ,they will die

3. Hurry up or we’ll be late for the correct

A. If we don’t hurry , we won’t be late for the concert B.If we didn’t hurry , we will be late for the concert

C. If we don’t hurry, we will be late for the concert D.Unless we don’t hurry, we will be late for the concert

4..I can’t do this test because it is very difficult

A.If this test were difficult,I could do it B. If this test weren’t difficult ,I could do it

C.If this test weren’t difficult,I couldn’t do it D.Unless this test were difficult, I couldn’t do it

5. Study harder or you won’t pass the exam.

A. Only if you study harder, you will fail the exam. B. Unless you study harder, you will pass the exam.

C. If you don’t study harder, you will fail the exam.D. If you don’t pass the exam, you will have to study harder.

6. Take action soon or the pollution will get much worse.

A. If you don’t take action soon, the pollution will get much worse.

B. Unless you don’t take action soon, the pollution will get much worse.

C. The pollution will get much worse if you didn’t take action soon.

D. Only if you take action soon, the pollution will get much worse.

7. The fire will go out if we don’t put more wood on.

A. If we don’t put more wood on, the fire won’t go out. B. Unless we put more wood on, the fire will go out.

C. The fire will go out, so we don’t put more wood on. D. Unless we put more wood on, the fire won’t go out.

8. They spent a lot of money on food and clothes.

A. A lot of money was spent on food and clothes. B. A lot of money were spent on food and clothes.

C. A lot of money on food and clothes were spent. D. A lot of money on food and clothes was spent.

9. People have used the Internet all over the world.

A. The Internet has used all over the world. B. The Internet was used all over the world.

C. The Internet has been used all over the world. D. The Internet has been using all over the world.

10. Our house is going to be rebuilt by a local firm.

A. We are going to rebuild our house. B. We are going to have our house to rebuild.

C. A local firm are going to rebuild our house. D. A local firm is going to rebuild our house.

1. We don’t have enough money, so we can’t buy that house.

A. If we had enough money, we could buy that house. B. We could buy that house if we have enough money.

C. If we had had enough money, we could buy that house. D. We could have bought that house if we had had enough money.

2.Water these plant or they will die

A.Unless you water these plants ,they will die B.Unless you watered these plants ,they will die

C. Unless you water these plants ,they won’t die D. If you water these plants ,they will die

3. Hurry up or we’ll be late for the correct

A. If we don’t hurry , we won’t be late for the concert B.If we didn’t hurry , we will be late for the concert

C. If we don’t hurry, we will be late for the concert D.Unless we don’t hurry, we will be late for the concert

4..I can’t do this test because it is very difficult

A.If this test were difficult,I could do it B. If this test weren’t difficult ,I could do it

C.If this test weren’t difficult,I couldn’t do it D.Unless this test were difficult, I couldn’t do it

5. Study harder or you won’t pass the exam.

A. Only if you study harder, you will fail the exam. B. Unless you study harder, you will pass the exam.

C. If you don’t study harder, you will fail the exam.D. If you don’t pass the exam, you will have to study harder.

6. Take action soon or the pollution will get much worse.

A. If you don’t take action soon, the pollution will get much worse.

B. Unless you don’t take action soon, the pollution will get much worse.

C. The pollution will get much worse if you didn’t take action soon.

D. Only if you take action soon, the pollution will get much worse.

7. The fire will go out if we don’t put more wood on.

A. If we don’t put more wood on, the fire won’t go out. B. Unless we put more wood on, the fire will go out.

C. The fire will go out, so we don’t put more wood on. D. Unless we put more wood on, the fire won’t go out.

8. They spent a lot of money on food and clothes.

A. A lot of money was spent on food and clothes. B. A lot of money were spent on food and clothes.

C. A lot of money on food and clothes were spent. D. A lot of money on food and clothes was spent.

9. People have used the Internet all over the world.

A. The Internet has used all over the world. B. The Internet was used all over the world.

C. The Internet has been used all over the world. D. The Internet has been using all over the world.

10. Our house is going to be rebuilt by a local firm.

A. We are going to rebuild our house. B. We are going to have our house to rebuild.

C. A local firm are going to rebuild our house. D. A local firm is going to rebuild our house.

1. Vietnamese children have to wear uniform when they go to school
2. last night my sister was ill. We __must____ call the doctor
3. I have bad toothache. I ___have to __ make an appointment with the dentist
4. I don't want to ___have to ___ wait in a queue for ages
5. She __must ____ work on Saturday morning
6. When you come to Califonia, you __must ___ come and see us soon
7. This is a terrible party. We __must ____ go home
8. If there are no taxis we'll _have to ____ walk
9. Daniel __have to _____ go to the bank. He hasn't any money
10. You really ____must____ hurry up, Vicky. We don't want to be late

Chọn must hoặc have/has to

1. Vietnamese children ___have to___ wear uniform when they go to school
2. Last night my sister was ill. We ___must___ call the doctor
3. I have bad toothache. I must make an appointment with the dentist
4. I don't want to ___have to___ wait in a queue for ages

5. She __has to____ work on Saturday morning
6.When you come to Califonia, you must come and see us soon
7. This is a terrible party. We have to go home
8. If there are no taxis we'll have to walk
9. Daniel has to go to the bank. He hasn't any money
10. You really must hurry up, Vicky. We don't want to be late