31. if we don't reduce the use of water and electricity, we will have to pay more this month
32. what time he had come home the previous night
33. it tooks four hours to fly to london
34. despite her tiredness, she managed to finish her work on time
35. to the teacher for not doing the homework

31.  Unless we reduce the use of water and electricity, we’ll have to pay more this month.

🡪 If we ..................don't reduce 

the use of water and electricity, we’ll have to pay more this month......................................................................................................................

32. “What time did you come home last night, Mark?” said Tom.

Tom asked ............. Mark what time he had come home the previous night...................................................................................................................

33. The flight to London lasted four hours.

🡪 It took ........four hours to fly to London............................................................................................................................

34. Although she was tired, she managed to finish her work on time. 

🡪 Despite ..............being tired, she  managed to finish her work on time.................................................................................................................

35. “I’m sorry. I didn’t do the homework.”, Peter said to the teacher.

🡪  Peter apologized ...................to the teacher  for not doing the homework.....................................................................................

Read the fírt sentences, and then complete the secound sentence with the same meaning.
1. Let's put garbage around the schoolyard

-> I suggest putting garbage around the schoolyard

2. Tom failed the exam because of his laziness.

-> Because Tom was lazy , he failed the exam

3. Unless we reduce the use of water and electricity, we'll have to pay more this month

-> If we reduce the use of water and electricity, we won't have to pay more this month

hoặc

-> If we don't reduce the use of water and electricity, we'll have to pay more this month

4. Lan is a better cook than Hoa

-> Hoa can't cook as good as Lan

5. You forgot to turn off the TV last night, didn't you ?

-> You didn't remember to turn off the TV last night, did you ?

REWRITE SENTENCES :

1. We don't visit our parents very often because they live so far away

-> If ___they didn't live so far away, we would visit our parents very often ____

2. Michael ignores Lucy, so she gets angry at him

-> If __Michael didn't ignore Lucy, she wouldn't get angry at him____

3. Unless we reduce the use of water and electricity, we will have to pay more this month

-> If ___we don't reduce the use of water and electricity, we will have to pay more this month__

4. Walking home alone is not a good idea

-> You should't ___walk home alone__

5. We get up late in the morning so we don't have time to have breakfast

-> If ___we got up late in the morning ,we would have time to have breakfast__

6. If she didn't take morning exercises, she would be weak

-> Unless __she took morning exercises, she would be weak___

7. They will kill him if he doesn't tell them the truth

-> Unless __he tells them the truth, they will kill him_

8. They are too slow so they can't win the match

-> If _they weren't too slow, they could win the match____

9. She is too old to apply for the job

-> If ___she wasn't too old, she could apply for the job___

10. I am not a millionaire, so I can't buy a villa in HCM city

-> If __I was a millionaire, I could buy a villa in HCM city___

1. We don't visit our parents very often because they live so far away

-> If _our parents didn't live so far away, we would visit them very often_________

2. Michael ignores Lucy, so she gets angry at him

-> If Michael didn't ignore Lucy, she wouldn't get angry at him_________

3. Unless we reduce the use of water and electricity, we will have to pay more this month

-> If we don't reduce the use of water and electricity, we will have to pay more this month__________

4. Walking home alone is not a good idea

-> You should't _walk home alone_________

5. We get up late in the morning so we don't have time to have breakfast

-> If _we didn't get up late in the morning, we would have time to have breakfast/ If __we get up early in the morning, we would have time to have breakfast______

6. If she didn't take morning exercises, she would be weak

-> Unless __she took morning exercises, she would be weak_______

7. They will kill him if he doesn't tell them the truth

-> Unless _he tells them the truth, they will kill him________

8. They are too slow so they can't win the match

-> If __they weren't too slow, they could win the match_________

9. She is too old to apply for the job

-> If __she weren't too old, she could apply for the job__________

10. I am not a millionaire, so I can't buy a villa in HCM city

-> If __I were a millionaire, I could buy a villa in HCM city__________

BÀI 1 .REWRITE THESE SENTENCES BY USING CONDITIONAL SENTENCE TYPE 1 (câu điều kiện loại 1)

1.Stay here and you will feel save .

If you stay here, you will feel save .

2.Pay electricity bill today or your electricity will be cut off .

If you don't pay electricity bill today, your electricity will be cut off .

3.Stop smoking other wise your cough may be worse.

If you don't stop smoking, your cough may be worse.

4.Unless we use less fossil fuel , they will be run out soon .

If we don't use less fossil fuel, they will be run out soon .

5.Unless it stops raining today , we may be faced with a serious flood .

If it didn't stop raining today, we may not be faced with a serious flood .

6.Do morning exercises regularly and your body will be fitter.

If you do morning exercises regularly, your body will be fitter.

7.Unless we renewable energy , we will have notthing for the future generation.

If we don't renewable energy, we will have nothing for the future generation.

8.The climate will change unless we reduce the use of non - renewable energy

If we don't reduce the use of non - renewable energy, the climate will change.

9.Lock all the doors and noone can break into your house.

If you lock all the doors, no one can break into your house.

10.Unless we continue hunting polar bears , they will become extinct in near future.

If we continue hunting polar bears, they will become extinct in near future.

Complete each blank with a suitable Preposition:

1) He speaks English like a native. He can give us advice ..on. how to improve our pronunciation.

2) Hoa often helps Na .with.. her written assignments.

3) Why don't you work harder ..for. the project? We have only two days left to complete it.

4) The TV repairman will be here .in.. five minutes.

5) People throughout the world must work together to look ..after. the environment.

6) If you go ..on. leaving the lights on all day, you will have an enormous electricity bill to pay ..at. the end of this month.

7) Have you seen my little sister? I've been looking ..for. her .for.. two hours.

8) Travelling ..by. public transport will reduce the amount of exhaust fume from cars and motorbikes.

9) I spend 32 .for.. lighting.

10) What is the purpose .of your.. visit .to.. our country?

11) We are interested ..in. the shortage of fresh water .to.. the world's population.

12) The cost of living in Vietnam is low compared .to.. Singapore.

13) Did children account .for.. 45 percent of the total population affected by the tsunami?

14) This toilet roll is finished. It should be replaced .with.. a new one.

15) The head of the household should tell each family member to be aware ..of. saving energy.

16) Instead ...of buying energy-saving lights, we should concentrate ..on. a more economical use of electricity.

17) He is good ..at. fixing wooden objects, but he is bad .at.. building with bricks.

18) This electrical appliance will not work .on.. electricity.

19) Look ..at. this enormous telephone bill before leaving ..for. work, darling. I can't believe in my eyes.

20) If you've got a cough, you should try to cut .down on.. the number of cigarettes you smoke.

1. she planted that tree five years ago

that tree was planted five years ago.

2. my family has someone water the rose everyday

my family has the rose watered everyday.

3. he's going to have his room redecorated with some new furniture

he's going to ask someone to redecorate his room with some new furniture.

4. shall we use gas instead of burning coal?

i suggest using gas instead of burning coal

5. tom failed the exam because of his laziness

because tom was lazy, he failed the exam.

6.unless we reduce the use of water and electricity, we'll have to pay more thia month

if we don't reduce the use of water and electricity, we will have to pay more this month.

7. lan is a better cook than hoa

hoa can't cook as well as Lan can.

8. nam's motorbike was washed carefully

nam washed his motorbike carefully.

9. my sister is good enough to pass the final exam

my sister is so good that she passes the final exam.

10. To make friends in the new school is not easy for a new student

it's not easy for a new student to make friends in the new school.

1. she planted that tree five years ago

that tree was planted five years ago.

2. my family has someone water the rose everyday

my family has the rose watered everyday.

3. he's going to have his room redecorated with some new furniture

he's going to ask someone to redecorate his room with some new furniture.

4. shall we use gas instead of burning coal?

i suggest using gas instead of burning coal

5. tom failed the exam because of his laziness

because tom was lazy, he failed the exam.

6.unless we reduce the use of water and electricity, we'll have to pay more thia month

if we don't reduce the use of water and electricity, we will have to pay more this month.

7. lan is a better cook than hoa

hoa can't cook as well as Lan can.

8. nam's motorbike was washed carefully

nam washed his motorbike carefully.

9. my sister is good enough to pass the final exam

my sister is so good that she passes the final exam.

10. To make friends in the new school is not easy for a new student

it's not easy for a new student to make friends in the new school.

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.