Conditional sentence hot

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I. qwsdcsecsas Conditional sentences – type 1: (câu điều kiện – loại 1)

*TYPE 1:If (s+V/Vs/Ves/don’t+V/Doesn’t+V), S+will/won’t+V. (ngòai will, ta có thề dùng can. May. Must,…)
1. I (buy) ……….a car if you lend me some money.

2. If the book (not be) ……….expensive, I'll buy it.
3. I'll go out if it (not rain) ………..

4. If that hat costs much, I (buy) ………a small one.

5. If she (make) ……….that mistake again, her teacher will get angry with me.
6. I will lend them some money if they (ask) ……….me.

7. My dog will bark if it (hear) ………any strange sound.
8. They (let) ……….you in if you come late.

9. He’s waiting for his mother to come back from Chicago. If his mother (come) ………home, he will have a lot of presents.
10.The kitchen will look better if we (have) ……….red curtains.

11.If we (keep on )……… using more and more motor vehicles, we ( run out) ……….of oil
12.If we ( run out) ………..of oil, we (need) ………..other kind of energy.

13.If we (use) ………more oil and coal, pollution (increase)……….
14.If pollution (increase)………, more and more trees (die)……….
15.If more and more trees (die)……….., the climate (change)……….

16.If the climate (change)……….., we( meet)……… with natural disasters.
17.If we( try) ………..to control pollution, it (be)……… very expensive
18.If you ………..(not see) me tomorrow, I ………( call) you up

19.We’re going to leave tomorrow if the weather ( be)………. nice.

20.If he ( speak) ……….more slowly, we will understand him.
21.If Betty ( not / like)……… the sweater, she will exchange it.
22.What ………..you (do)………. if you have a million dollars?
23.You will get much higher marks if you (study) ………. harder.
24.If he ( not/ ask)……… me , I will not tell him anything.
25.Father will surely get wet if he ( not/ take)……… his umbrella.
26.If I ( be)……….. in your place, I will accept his offer.

27.If it ………(rain) we will stay at home.

28.We ………(ruin) our eyes if we read in bad light.

29.My family will go to Dalat if we ……….(have) more money.
30.I ……….(tell) him this news if I see him.

31.If you ……….(not hurry), you will be late for school.

32.We ……….(be) tired if we ………..(walk) to the market.
33.If you play games too much, you ………(not pass) the exam.
34.We ………(not go) out if the weather is not nice tomorrow.

35.If my sister ………..(have) enough money, she will buy a new house.
36.You ( have) ……….enough time to eat lunch if you get here early.
II. Conditional sentences – type 2: (câu điều kiện – loại 2)

Type 2: If (S + were/ were not/ V- ed/ V- cột 2/ didn’t + V), main clause (s + would/ could/ …(not) + V )
1. Would you like if I ………..(close) the windows?

2. What would happen if I ………(not do) that?

3. He couldn’t understand if we ………..(not explain) more.
4. If we didn’t visit her, she ………(be) very sad.
5. We ………(not be) tired if we didn’t try to do that.
6. If I refused, he ……….(be) very disappointed.
7. I ………(take) this job if I were out of work now.
8. You would be very upset if you ………(lose) it.
9. He would feel better if he ………(exercise) more.
10.I (tell)……….. the answer if I knew it.
11.If we ………(not come) she would feel lonely.

12.If we didn’t take this job, we……….. (not earn) a lot of money.
13.If he knew that it was dangerous, he (not come)………
14.If you (see) ………..someone drowning, what would you do?

15.If you slept under a mosquito net, you (not be)………..bitten so often.
16.I could get a job easily if I (have) ………a degree.

17.If we had more rain, our crops (grow)……….faster.
18.We could save his life if we ………(find) him earlier.
19.He could be a medical student if he ………..(try) more.
20.Would you like if I ………..(open) the door?

21.What would happen if I ………(press) that botton?

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22.He might get fat if he (stop)………smoking.

23.If he knew that it was good for his health, he (do)………
24.If I knew that you were ill, I (go)………. to see you.

25.You would be very surprised if he (return) ………..

26.They wouldn't come to the party if you (not invite) ………them.
27.10. What would you do if you (be) ………..him?

28.If I spoke English, my job (be) ……….a lot easier.
29.If he (have) ………enough money, he would buy a house.
30.If I (be) ……….you, I would tell the truth.

31.If I knew his address, I (go) ………..round and see him.

32.It’s too bad Helen isn’t here. If she (be) ……….here, she could knowwhat to do.
III.Conditional sentences – type 3: (câu điều kiện – loại 3)

Type 3:If (S+ had (not) +V- ed/ V- cột 3), main clause (s + would/ could/ …(not) +have + V –ed/ V- cột3)
1. If I had gone by car, I ………(have) a car sick.

2. I ……….(have) money for lunch now if I hadn’t left my wallet at home this morning.
3. We could have had a fine if we ………(throw) wastes in the park.

4. If I hadn’t traveled by plane, I ……….(not go) there on time.

5. If we ………..(not bring) enough food, we would have spent a lot of money in expensive restaurants.
6. If we had been hungry, I ………(eat) something there.

7. If we had not been wearing a seat belt, I ………(be) seriously injured.

8. The accident wouldn’t have happened if the driver in front ………(not stop) suddenly.
9. If I had known the news, I ………..(tell) him about it.

10.I would have got a taxi if I ………..(have) money.

11.If Hoa ………(not lend) me the money, I couldn’t have been able to buy the car.
12.If I had had more time, I ……….(help) her in English.

13.If you (drive) ………more carefully, you wouldn’t have had so many accidents.
14.I would have seen him if I (go) ………to the party last night.

15.We could have gone out if the weather (not be) ………..so bad.
16.If he had gone to London yesterday, he (meet) ………..his old friend.

17.If we had known who he was, we (invite) ………..him to speak at our meeting.

18.He didn’t listen to the teacher. If he (listen) ………..carefully, he could have performed well in the examination.
19.If she'd had enough money, she (buy) ………a car.

20.If you (not be) ………so busy, I would have shown you how to play

21.He wanted to buy some Christmas presents but he couldn’t. If he had afforded to buy, his children (be) ……….very 
happy to greet a new year.

22.I was busy. If I (have) ………free time. I could have gone to the cinema with you.
23.I could have understood him if he (speak) ……….more slowly.

IV.Conditional sentences – type 4: (câu điều kiện – loại 4)

Type 4:If (S+ had (not)+V- ed/ V- cột 3), main clause (S + would/ could/ …(not) + V )- mệnh đề chính thường có NOW
1. If I hadn’t stayed up late lastnight, I ………(not feel) asleep now.

2. I could tell you about it now if I ………..(go) there last night.

3. He would not be tired now if he ………(not drink) too much yesterday evening.
4. If I had bought the car yesterday, I ………..(have) money to buy this now.
5. If he had gone to the class more regularly, he ………..(be) in grade 11 now.
6. If I had caught that flight, I ………..(be) dead now.

7. If I had had breakfast, I ……….(not be) hungry now.

8. If my uncle………(not miss) the train, he would be here now.
9. We would be in Hanoi now if the weather (not be) ………..so bad.
10.If he did not play games online too much, he (be) ………..a good student now.
11.If he had not received the red card, his team ………(get) the cup now.
12.If I had known the news, I ………..(tell) him about it now.

V. Exercises: Conditional sentences - type 1, 2, 3, 4:
1. Would you like if I ………..(close) the windows?
2. What would happen if I ………(not do) that?

3. He couldn’t understand if we ………..(not explain) more.
4. If we didn’t visit her, she ………(be) very sad.
5. We ………(not be) tired if we didn’t try to do that
6. If I had gone by car, I ………(have) a car sick.

7. I ……….(have) money for lunch now if I hadn’t left my wallet at home this morning.
8. We could have had a fine if we ………(throw) wastes in the park.

9. If I hadn’t traveled by plane, I ……….(not go) there on time.

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11.I (buy) ……….a car if you lend me some money.
12.If the book (not be) ……….expensive, I'll buy it.
13.I'll go out if it (not rain) ………..

14.If that hat costs much, I (buy) ………a small one.

15.If she (make) ……….that mistake again, her teacher will get angry with me.
16.If I hadn’t stayed up late lastnight, I ………(not feel) asleep now.

17.I could tell you about it now if I ………..(go) there last night.

18.He would not be tired now if he ………(not drink) too much yesterday evening.
19.If I had bought the car yesterday, I ………..(have) money to buy this now.
20.If he had gone to the class more regularly, he ………..(be) in grade 11 now.
21.I will lend them some money if they (ask) ……….me.

22.My dog will bark if it (hear) ………any strange sound.
23.They (let) ……….you in if you come late.

24.He’s waiting for his mother to come back from Chicago. If his mother (come) ………home, he will have a lot of presents.
25.The kitchen will look better if we (have) ……….red curtains.

26.If I refused, he ……….(be) very disappointed.
27.I ………(take) this job if I were out of work now.
28.You would be very upset if you ………(lose) it.
29.He would feel better if he ………(exercise) more.
30.I (tell)……….. the answer if I knew it.

31.If we had been hungry, I ………(eat) something there.

32.If we had not been wearing a seat belt, I ………(be) seriously injured.

33.The accident wouldn’t have happened if the driver in front ………(not stop) suddenly.

34.If I had known the news, I ………..(tell) him about it.

35.I would have got a taxi if I ………..(have) money.

36.If Hoa ………(not lend) me the money, I couldn’t have been able to buy the car.
37.If I had had more time, I ……….(help) her in English.

38.If you (drive) ………more carefully, you wouldn’t have had so many accidents.
39.I would have seen him if I (go) ………to the party last night.

40.We could have gone out if the weather (not be) ………..so bad.
41.I (tell)……….. the answer if I knew it.

42.If we ………(not come) she would feel lonely.

43.If we didn’t take this job, we……….. (not earn) a lot of money.
44.If he knew that it was dangerous, he (not come)………
45.If you (see) ………..someone drowning, what would you do?

46.If you slept under a mosquito net, you (not be)………..bitten so often.

47.If we (keep on )……… using more and more motor vehicles, we ( run out) ……….of oil
48.If we ( run out) ………..of oil, we (need) ………..other kind of energy.

49.If we (use) ………more oil and coal, pollution (increase)……….
50.If pollution (increase)………, more and more trees (die)……….
51.If more and more trees (die)……….., the climate (change)……….

52.If the climate (change)……….., we( meet)……… with natural disasters.
53.If we( try) ………..to control pollution, it (be)……… very expensive

54.If you ………..(not see) me tomorrow, I ………( call) you up

55.We’re going to leave tomorrow if the weather ( be)………. nice.
56.If he ( speak) ……….more slowly, we will understand him.
57.If I had caught that flight, I ………..(be) dead now.

58.If I had had breakfast, I ……….(not be) hungry now.

59.If my uncle………(not miss) the train, he would be here now.
60.We would be in Hanoi now if the weather (not be) ………..so bad.
61.If he did not play games online too much, he (be) ………..a good student now.
62.If he had not received the red card, his team ………(get) the cup now.
63.If I had known the news, I ………..(tell) him about it now.

64.If he had gone to London yesterday, he (meet) ………..his old friend.

65.If we had known who he was, we (invite) ………..him to speak at our meeting.

66.He didn’t listen to the teacher. If he (listen) ………..carefully, he could have performed well in the examination.
67.If she'd had enough money, she (buy) ………a car.

68.If you (not be) ………so busy, I would have shown you how to play

69.He wanted to buy some Christmas presents but he couldn’t. If he had afforded to buy, his children (be) ……….very 
happy to greet a new year.

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71.I could have understood him if he (speak) ……….more slowly.
72.They wouldn't come to the party if you (not invite) ………them.
73.10. What would you do if you (be) ………..him?

74.If I spoke English, my job (be) ……….a lot easier.
75.If he (have) ………enough money, he would buy a house.
76.If I (be) ……….you, I would tell the truth.

77.If I knew his address, I (go) ………..round and see him.

78.It’s too bad Helen isn’t here. If she (be) ……….here, she could knowwhat to do.
79.If Betty ( not / like)……… the sweater, she will exchange it.

80.What ………..you (do)………. if you have a million dollars?
81.You will get much higher marks if you (study) ………. harder.
82.If he ( not/ ask)……… me , I will not tell him anything.
83.Father will surely get wet if he ( not/ take)……… his umbrella.
84.If I ( be)……….. in your place, I will accept his offer.

85.If it ………(rain) we will stay at home.
VI. Finish the second sentences



Mệnh đề có Because là mệnh đề IF  Mệnh đề có SO là mệnh đề chính



Mệnh đề ở hiện tại thì viết câu điều kiện loại 2



Mệnh đề ở thể khẳng định thì viết lại thể phủ định và ngược lại.

1. Peter is fat because he eats a lot of chips. If __________________________________________

2. She hates school so she doesn’t study hard.  If _______________________________________________
3. I don’t visit you because you live so far way.  If __________________________________________
4. She can’t go to the party because I don’t invite her. If __________________________________________
5. Today is not Sunday, so we can’t go swimming. If __________________________________________
6. we take this job, so we earn a lot of money.  if
_________________________________________________-7. he doesn’t know that it is dangerous, so he comes.  _______________________________________________
8. you don’t sleep under a mosquito net, so you are bitten so often.  ______________________________________
9. I can’t get a job easily because I don’t have a degree.  ______________________________________________
10. we don’t have much rain, so our crops don’t grow fast.  ____________________________________________
11.We can’t save his life because we don’t find him early.  _____________________________________________
12.He can’t be a medical student because he doesn’t try.  ____________________________________________
13.He can’t get fat because he doesn’t stop smoking.  ______________________________________________
14.he dosen’t know that it is good for his health, so he dosen’t do.  ______________________________________
15. I don’t speak English, so my job isn’t easy.  _______________________________________________

16.he doesn’t have enough money, so he doesn’t buy a house.  __________________________________________
17.I am not you, so I don’t tell the truth.  _________________________________________________

18.He understands because we explain more.  ____________________________________________________
19.We are tired because we try to do that.  ____________________________________________

20.I don’t take this job because I am not out of work now.  ___________________________________________
21.He don’t feel better because he doesn’t exercise more.  ___________________________________________
22.I don’t tell the answer because I don’t know it.  _______________________________________________
VII. Finish the second sentences



Mệnh đề có Because là mệnh đề IF  Mệnh đề có SO là mệnh đề chính



Mệnh đề ở quá khứ thì viết câu điều kiện loại 3



Mệnh đề ở thể khẳng định thì viết lại thể phủ định và ngược lại.

1. I didn’t talk to him because I didn’t know him  If _____________________________________

2. We didn’t have enough rain, so we could not grow rice.  If ………
3. The newspaper didn’t print the story because it wasn’t true.If _______________________________________
4. John didn’t have money so he couldn’t lend you some.  If _______________________________________
5. We couldn’t go out because the weather was so bad.  If
---6. Mary didn’t wear the raincoat, so she got a cold.  If
---7. I couldn’t do the test because it was too difficult.  If __________________________________

8. Robert got a bad cough because he started smoking cigarettes.  If _________________________________
9. I wasn’t hungry, so I didn’t eat anithing.  If __________________________________________

10.The accident happened because the driver infront stopped suddenly.
If __________________________________________

11.I didn’t know that Lan had to get up early, so I didn’t wake her up.
If __________________________________________

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If __________________________________________

14.I didn’t get a taxi because I didn’t have any money on me.  If ____________________________________
15.A bull was blocking the road, so we didn’t arrive on time.  If _____________________________________
16.I was working at the restaurant last night, so I didn’t wait on your table.

If __________________________________________

17.Carol didn’t answer the phone because he was studying.  If _______________________________________
18.The sun was shining, so we went to the beach yesterday.  If ______________________________________
VIII. Finish the second sentences



Mệnh đề có Because là mệnh đề IF  Mệnh đề có SO là mệnh đề chính



Mệnh đề ở quá khứ thì viết câu điều kiện loại 3, hiện tại là loại 2(loại 4)



Mệnh đề ở thể khẳng định thì viết lại thể phủ định và ngược lại.

19.You didn’t eat breakfast, so you are hungry now.  If __________________________________________
20.I stayed up late last night, so I feel asleep now.  if ______________________________________________
21.I can’t tell you about it now because I didn’t go there last night.  ___________________________________
22.He is tired now because he drank too much yesterday evening.



If_____________________________________

23.I bought the car yesterday, so I don’t have money to buy this now.



___________________________________

24.he didn’t go to the class regularly, so he is not in grade 11 now.



______________________________________

25.We are not in Hanoi now because the weather was so bad.



__________________________________________

26.my uncle missed the train, so he is not here now.  _____________________________________________
IX. Finish the second sentences



Mệnh đề có Because là mệnh đề IF



Mệnh đề có SO là mệnh đề chính



Mệnh đề ở hiện tại thì viết câu điều kiện loại 2



Mệnh đề ở quá khứ thì viết câu điều kiện loại 3



Mệnh đề ở thể khẳng định thì viết lại thể phủ định và ngược lại.

1. I didn’t talk to him because I didn’t know him  If _____________________________________
2. We didn’t have enough rain, so we could not grow rice.

 If ………

3. The newspaper didn’t print the story because it wasn’t true.
 If ______________________________________________

4. John didn’t have money so he couldn’t lend you some.  If ________________________________________
5. We couldn’t go out because the weather was so bad.

 If
---6. Mary didn’t wear the raincoat, so she got a cold.

 If

---7. I couldn’t do the test because it was too difficult.  If _________________________________________
8. She hates school so she doesn’t study hard.  If ______________________________________________

9. I don’t visit you because you live so far way.

 If __________________________________________
10. She can’t go to the party because I don’t invite her.
 If __________________________________________
11. Today is not Sunday, so we can’t go swimming.
 If __________________________________________

12. I was absent from the class yesterday, so I couldn’t understand the lesson.
 If __________________________________________

13. He didn’t hurry, so he missed the train.  If __________________________________________
14. My brother didn’t leave the car keys, so I couldn’t pick him up at the station.

 If __________________________________________

15. We didn’t go because it rained. If __________________________________________
16. We didn’t go on a vacation because we didn’t have enough money.

 If __________________________________________
17. Susan felt sick because she ate four cream cakes.
 If __________________________________________

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If __________________________________________

22. I wasn’t hungry, so I didn’t eat anithing.  If __________________________________________
23. The accident happened because the driver infront stopped suddenly.

If __________________________________________

24. I didn’t know that Lan had to get up early, so I didn’t wake her up.
If __________________________________________

25. I was able to buy the car because Hoa lent me the money.
If __________________________________________

26. Marry was not injured in the crash because she was wearing the seat belt.
If __________________________________________

27. You didn’t eat breakfast, so you are hungry now.  If __________________________________________
28. I didn’t get a taxi because I didn’t have any money on me.

If __________________________________________
29. A bull was blocking the road, so we didn’t arrive on time.
If __________________________________________

30. I was working at the restaurant last night, so I didn’t wait on your table.
If __________________________________________

31. Carol didn’t answer the phone because he was studying.
If __________________________________________

The sun was shining, so we went to the beach yesterday.  If _________________________________________
X. EXERCISES :

1. Mary didn’t wear the raincoat, so she got a cold.  If
---2. I couldn’t do the test because it was too difficult.  If __________________________________

3. Robert got a bad cough because he started smoking cigarettes.



If __________________________________________

4. I wasn’t hungry, so I didn’t eat anithing.  If __________________________________________
5. The accident happened because the driver infront stopped suddenly.

If __________________________________________

6. You didn’t eat breakfast, so you are hungry now.  If __________________________________________
7. I stayed up late last night, so I feel asleep now.  if ______________________________________________
8. I can’t tell you about it now because I didn’t go there last night.  ______________________________________
9. He is tired now because he drank too much yesterday evening.  If_____________________________________
10.Peter is fat because he eats a lot of chips. If __________________________________________

11.She hates school so she doesn’t study hard.  If _______________________________________________
12.I don’t visit you because you live so far way.  If __________________________________________
13. She can’t go to the party because I don’t invite her. If __________________________________________
14.Today is not Sunday, so we can’t go swimming. If __________________________________________
15.I didn’t talk to him because I didn’t know him  If _____________________________________

16. We didn’t have enough rain, so we could not grow rice.  If ………
17.The newspaper didn’t print the story because it wasn’t true.



If ______________________________________________

18.John didn’t have money so he couldn’t lend you some.  If _________________________________________
19.We couldn’t go out because the weather was so bad.  If

---20.We can’t save his life because we don’t find him early.  _____________________________________________
21.He can’t be a medical student because he doesn’t try.  ____________________________________________
22.He can’t get fat because he doesn’t stop smoking.  ______________________________________________
23.he dosen’t know that it is good for his health, so he dosen’t do.  ______________________________________
24. I don’t speak English, so my job isn’t easy.  _______________________________________________

25.he doesn’t have enough money, so he doesn’t buy a house.  _________________________________________
26.I am not you, so I don’t tell the truth.  _________________________________________________

27.He understands because we explain more.  ____________________________________________________
28.We are tired because we try to do that.  ____________________________________________

29.I don’t take this job because I am not out of work now.  ___________________________________________
30.He don’t feel better because he doesn’t exercise more.  ___________________________________________
31.I don’t tell the answer because I don’t know it.  _______________________________________________
32.The accident happened because the driver infront stopped suddenly.

If __________________________________________

33.I didn’t know that Lan had to get up early, so I didn’t wake her up.
If __________________________________________

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If __________________________________________

36.I didn’t get a taxi because I didn’t have any money on me.  If __________________________________________
37.A bull was blocking the road, so we didn’t arrive on time.  If __________________________________________
38.I was working at the restaurant last night, so I didn’t wait on your table.

If __________________________________________

39.Carol didn’t answer the phone because he was studying.  If __________________________________________
40.The sun was shining, so we went to the beach yesterday.  If __________________________________________
41.I bought the car yesterday, so I don’t have money to buy this now.  ___________________________________
42.he didn’t go to the class regularly, so he is not in grade 11 now.  ______________________________________
43.We are not in Hanoi now because the weather was so bad.  __________________________________________
44.my uncle missed the train, so he is not here now.  _____________________________________________

UNLESS = IF NOT.
If you don’t apply, there’s no chance of you getting the job.

Unless you apply, there’s no chance of you getting the job.
If you don’t have a resevation, you can travel on that train.



Unless you have a reservation, you can’t travel on this train.
If that hat costs much, I will buy a small one.

Unless that hat costs much, I will not buy a small one.

KHÔNG DÙNG UNLESS:

- TRONG HẦU HẾT CÁC CÂU ĐIỀU KIỆN KHƠNG CĨ THẬT. (LOẠI 2, 3)
We would be happier if he didn’t take things so seriously. (not unless he took …..)

- KHI NÓI VỀ CẢM XÚC. (EMOTIONS)

I’ll be amazed IF Christie doesn’t win. (not unless Christie wins ……..)
- TRONG HẦU HẾT CÁC CÂU HỎI.

If you don’t pass the exam, what will you do? (not unless you pass ………)
Rewrite, using “unless”:

1. I will buy a car if you lend me some money.  _____________________________________________________
2. If the book is not expensive, I'll buy it.  _________________________________________________________
3. I'll go out if it does not rain.  __________________________________________________________________
4. If she makes that mistake again, her teacher will get angry with me.



_________________________________________________________

5. I will lend them some money if they ask me. ____________________________________________________
6. My dog will bark if it hears any strange sound.  __________________________________________________
7. They will not let you in if you come late.  ______________________________________________________
8. He’s waiting for his mother to come back from Chicago. If his mother comes home, he will have a lot of presents.



__________________________________________________________________________________________
9. The kitchen will look better if we have red curtains.  _____________________________________________
10.If Betty does not like the sweater, she will exchange it.  __________________________________________
11.You will get much higher marks if you study harder.  _____________________________________________
12.If he does not ask me , I will not tell him anything.  ______________________________________________
13.Father will surely get wet if he does not take his umbrella. __________________________________________
14.If I am in your place, I will accept his offer. ______________________________________________________
15.If it rains, we will stay at home.  _______________________________________________________________
16.We will ruin our eyes if we read in bad light.  ____________________________________________________
17.My family will go to Dalat if we have more money.  _______________________________________________
18.I will tell him this news if I see him.  ___________________________________________________________

19.If my sister has enough money, she will buy a new house.  __________________________________________
20.You will have.enough time to eat lunch if you get here early.  ________________________________________
Rewrite, using “if”:

1. Unless we use more and more public vehicles, we will run out of oil soon.



_________________________________________________________________
2. Unless we run out.of oil, we won’t need other kind of energy.



_________________________________________________________________
3. Pollution will not increase unless we use more oil and coal.



________________________________________________________________
4. Unless pollution increase, more and more trees will die.



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

__________________________________________________________________
6. Unless the climate change, wewon’t meet with natural disasters.



_____________________________________________________________
7. Unless we try to control pollution, it won’t be very expensive.

________________________________________________________________
8. I will not tell him this news unless I see him.



_________________________________________________________
9. Unless you hurry, you will be late for school.



________________________________________________________
10.We will not be tired unless we walk to the market.



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