1. If we miss the bus,we will take the taxi

Unless we  miss the bus,we will not take the taxi

2.I will give you a lift if you don't have a bicycle

Unless you have a bicycle, I will give you a lift 

3.Unless he wins the money,he won't have enough money to pay his bills

If he doesn't win the money,he won't have enough money to pay his bills

Rewrite the sentences, so that their meaning stays the same, using the begining given for each.

1. Our 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.

2. Barbara plays chess better than Mike.

→→ Mike doesn't as good at play chess as Mike.

3. There are too few glasses for everyone to have a drink.

→→ We haven't got enough glasses for everyone to have a drink.

4. This is the most beautiful sight I have ever visited.

→→ This is the first time I have visit the most beautiful sight.

5. It is my sister's eighteen birthday next week.

→→ My sister will be eighteen birthday next week.

1. Unless we try to save our sources of energy, they will soon end.

2. Mike doesn’t play chess as well as Barbara (does).

3. We haven’t got enough’ glasses for everyone to have a drink

4. This is the first time I have visited such a beautiful sight.

5. My sister will be eighteen next week

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.

Quá khứ & hiện tại hoàn thành

1.When did you start learning English?

-->How long_____have you learnt English?____

2.How long is it since you began to play for manchester team?

-->When__did you play for manchester team ?_______

3.When did mary go shopping with my aunt?

-->How long is it____since mary last went shopping with my aunt ? __

4.How long have you worked for ABC bank?

-->How long ago____did you work for abc bank?__

5.When did you begin to play for the school soccer team?

-->How long____have you played for the school soccer team ?__

6.How long have they worked this kind of job?

-->When___did they work this kind of job?___

7.How long ago did you last see peter?

-->How long is it__since you last saw peter?__

8.When did he begin to teach English at this school?

-->How long__has he taught English at this school?__

9.How long have they got engaged?

-->When___did they get engaged?__

10.When did your family start to live in the city?

-->How long____has your family lived in the city?___

11.We haven't eaten this kind of food before.

--> This is the first time.I have eaten this kind of food....

12.this is the firs time i have gone to Vung Tau.

-->I have never..gone to Vung Tau before...

13.This is his firs travel to HCM city.

-->This is the first time..he has travelled to HCM city..

14.This is the firs time we have tasted such delicious food.

-->We have never..tasted such delicious food before..

15.I have never written a letter to a foreigner before.

-->It is the first time..I have written a lettter to a foreigner .

16.This is the firs time she has attended the club.

-->She has never..attended the club before..

17.My sister has not come to Peter's house before.

-->This is the first time..my sister has come to Peter's house.

18.I have never seen a dirtier-looking dog before.

-->This is the first.time I have seen a dirtier-looking dog..

19.This is the first time we haven't tasted such delicious food

-->We haven't.tasted such delicious food before..

20.This is the first time I have written such a long letter.

-->I have never...written such a long letter..

Rewrite the following sentences

1) It's the first time that I have ever talked to a foreigner.

→ I have.never talked to a foreigner before..

2) We've never tasted fish and chips before.

→ It's ..the first time we've tasted fish and chips..

3) I last saw Peter five month ago.

→ I haven't .seen Peter for five month..

5) she hasn't kissed me for 5 month

6) we haven't met each other for a long time

7) how long have you had it?

8) I haven't had a delicious meal like that

5. she hasn't kissed me for 5 year

6.we haven't met for a long time

7.

8.i haven't had such a delicious meal before.

Hi... 

Mark the letter A, B, C or D on your answer sheer to indicate the sentence that has the same meaning as the sentence printed before it.

Question 33. No one has seen Linda since the day of the party.

A. Linda hasn't been seen since the day of the party.

B. This is the first time Linda has ever had a party.

C. The party is going on without Linda.

D. Linda hasn't seen anyone at the party.

Question 34. Although the sky was cloudy, they took many photos.

A. Because of the cloudy sky, they took many photos.
B. The sky was too cloudy for them to take many photos.
C. The sky was cloudy, so they didn't take many photos.
D. Despite the cloudy sky, they took many photos.

Question 35. Unless you take any exercises, you will feel unhealthy.

A. If you aren’t take any exercises, you will feel unhealthy.

B. If you didn’t take any exercises, you will feel unhealthy.

C. If you don’t take any exercises, you will feel unhealthy.

D. If you take any exercises, you will feel unhealthy.

Question 36. The air here is too polluted for us to breathe.

A. The air here is so polluted that we can’t breathe it.

B. The air here is polluted that we can’t breathe.

C. The air here is so polluted that we can’t breathe.

D. The air here is such polluted that we can’t breathe it.

Question 37. I have never eaten this kind of food before.

A. This is the first time I ate this kind of food.

B. This is the first time I have never eaten this kind of food.

C. This is the first time I eat this kind of food.

D. This is the first time I have ever eaten this kind of food.

Question 38. Janet said to me, “Have you ever seen a UFO?”

A.Janet told me if I had ever seen a UFO

B.Janet wanted to know whether I have ever seen a UFO

C.Janet asked me if I had ever seen a UFO

D.Janet asked me have I ever seen a UFO

Question 39. It was such a beautiful painting that everyone wanted to buy it.

A. The painting was not beautiful enough for everyone to buy.

B. The painting was so a beautiful that everyone wanted to buy it.

C. The painting was beautiful enough that everyone wanted to buy it.

D. The painting was so beautiful that everyone wanted to buy it.

Question 40. No one has asked me that question before.

A.That question has ever been asked me by no one before.

B.That question has never been asked me before by anyone.

C.I have not ever been asked that question before.

D.I have never been asked that question before.

chuyển các câu sau sao cho nghĩa ko đổi:

1) this is the first time we have eaten this kind of food

-> we have never eaten this kind of food before

2) I don't usually eat at restaurants.

-> I'm not used to eating at restaurants

3) she can't carry the bag. it is very heavy.

-> the bag is too heavy for her to carry it

4) if you don't study harder, you will surely fail the next exam.

-> unless you study harder, you will surely fail the next exam

5) the nurse asked mr.brown how old he was

Rewrite the following sentences so that the meaning stays the same

1. They will go on holiday if they have time 

Unless....they have time, they won't go on holiday...

2. you have toget up early or you will be late for shool

If you get up up early ,you won't be late for shool

3. he will take a taxi if it rains

Unless it rains, he won't take a taxi

1. They will go on holiday if they have time 

Unless.they don't have time, they won't go on holiday.

2. you have toget up early or you will be late for shool

If you have to get up early, you won't be late for school.

3. he will take a taxi if it rains

Unless it don't rain, he won't take a taxi.

Rewrite the following sentences so that the meaning stays the same

1. They will go on holiday if they have time 

Unless....they have time, they won't go on holiday...

2. you have to get up early or you will be late for school

If you get up early,you won't be late for school

3. he will take a taxi if it rains

Unless it rains, he won't take a taxi