Câu điều kiện:

1. Unless he changes his behavior, no body will be beside him

--> If he doesn't change his behavior, no body will be beside him

2. Aquatic animal and plants will die unless that factory discharge sewage directly into the river.

--> If that factory doesn't discharge sewage directly into the river, Aquatic animal and plants will die

3. Unless farmers poison the soil crops will well.

--> If farmers don't poison the soil ,crops will well.

4. Unless it is too expensive, I can buy it.

--> If it isn't too expensive, I can buy it.

1. If you don't see that film, you'll be sorry.

>> unless you see that film, you'll be sorry.
2. If you don't take morning exercises, you will be weak .

>> Unless you take morning exercises, you will be weak .
3. You will ger lost if you don't take a map with you.

>> Unless you take a map with, you will get lost .
4. They will kill him if he doesn't tell them the truth.

>> Unless he tells them the truth, they will kill him.
5. If we don't protect the forests, the environments will be so destroyed.

>> Unless we protect the forests, the environments will be so destroyed.
6. I will wait for her if she calls me.

>> Unless she calls me, I will not wait for her.
Còn lại làm tương tự nhé :))

B1 : Viết lại câu

1, I last saw my grandfather 5 months ago

--> I haven't seen my grandfather for (the last) five months

2, How long have you learnt English

--> When did you learn English?

3, What a pity! The weather is so bad and I can't go fishing today

--> I wish the weather wasn't so bad and I could go fishing today

4, There will be a shortage of water unless it rains

--> If it doesn't rain, there will be a shortage of water.

5, Mr Hung is my English teacher. He sings very well

--> Mr Hung who sings very well is my English teacher

6, Jack London didn't write the novel "The adventures of Tom Sawyer "

--> The novel " The Adventures of Tom Sawyer " wasn't written by jack london

B2 : Viết lại câu sao cho nghĩa không thay đổi, sử sụng từ gợi ý

1, Do you know the song? It is being sung on TV (which)

Do you know the song which is being sung on TV?

2, His life is hard. He determined to study well (although)

Although his life is hard, he determined to study well

3, Marconi invented radio about a hundred years ago (was)

Radio was invented by Marconi about a hundred years ago

4, It's a pity my father can't speak English (only)

 If only my father could speak English

5, We have never been to Viet's native village before (time)

This is the first time we have been to Viet's native village

6, This is the first time I have visited Ha Long Bay (never)

I have never visited Ha Long Bay before.

7, I had to finish my homework, so I stayed up late last night (because)

Because I had to finish my homework, I stayed up late last night 

8, Where do your parents live now? said Nam to me (asked) 

Nam asked me where my parents lived then

-Ức chế :7

-Đang làm xong rồi đơ máy. Tớ bị mấy lần rồi

Poor the first one =))

Viết lại câu điều kiện:

1. If you want my advice, I wouldn't buy it.

-> If I were you,I wouldn't buy it

2.I only come if they invite me.

-> Unless they invite me,I won't come

3. He didn't revise all his lessons, he failed the exam.

-> If he had revised his lesson,he wouldn't have failed the exam.

4. The park it over there, only minutes' walk.

-> If you walk only minutes,you can see the park over therre

5. In case it rain, we'll stay at home.

->If it rains, we'll stay at home.

6. Let me give you my advice. You should cut down on smoking right now.

-> If I were you,I would cut down on smoking right now.

7. Leave me alone or I'll call the police.

-> Unless you leave me alone,I'll call the police.

8. The children don't go to school in the snowy weather.

-> If it snows,the children don't go to school

9. You musst tell me the wwhole truth or I won't help you

-> Unless You musst tell me the wwhole truth , I won't help you

10. He iss very bad-tempered, that's why his wife left him soon after marriage.

-> If he weren't very bad-tempered, his wife wouldn't leave him soon after marriage.

11.Don't tell lies to your boss or you'll be fired at once.

-> If you tell lies to your boss ,you'll be fired at once.

1.That book is too expensive ,so i am not going to buy it.

->If the book........................weren't expensive , I would buy it............

2.We do not go out very often because we can not afford it.

->If we....... went out very often ,we could afford it............................................

3.It is rainning ,so we can not have lunch on the patio.

->If it.....weren't rainning ,we could not have lunch on the patio.......

4.Water these plants or they will wither.

->If you..............don't water these plants, they will wither......................................

->unless you...................water these plants ,they will wither.................................

1.That book is too expensive ,so i am not going to buy it.

->If the book were cheap, I would buy it

2.We do not go out very often because we can not afford it.

->If we could afford it, we would go out more often

3.It is rainning ,so we can not have lunch on the patio.

->If it weren't raining, we could have lunch on the patio

4.Water these plants or they will wither.

->If you don't water these plants, they will wither

->unless you water these plants, they will wither

câu điều kiện

1. I don’t buy it because I don’t have enough money.
----> If I had enough money, i would buy it
2. I didn’t buy it because I didn’t have enough money.
----> I would buy it if I had enough money
3. There was a test yesterday. I didn’t know that, so I didn’t study for it.
----> If I had known there was a test yesterday, i would have studied for it
4. I’m busy right now, so I can’t help you.
----> I could help you if i weren't busy right now
5. He’s very thin, that’s why he feels the cold so much.
----> If he weren't very thin, he would not feel the cold so much.
6. I didn’t eat breakfast several hours ago, so I am hungry now.
----> If I had eaten breakfast several hours ago,i wouldn't be hungry now.
7. If John had played for our football team, we would not have lost the game.
----> Unless John had played for our football team, we would have lost the game.
8. If I won a big prize in a lottery, I’d give up my job.
----> Unless I won a big prize in a lottery, I’d not give up my job.
9. If you don’t like this one, I’ll bring you another.
----> Unless you like this one, I’ll bring you another.
10. I’ll only help you if you promise to try harder.
----> Unless you promise to try harder, I’ll not help you

câu điều kiện

1. I don’t buy it because I don’t have enough money.
----> If I ....................had enough money , i would buy it....................................................................................
2. I didn’t buy it because I didn’t have enough money.
----> I would..............have bought it if i had had enough money....................................................................................
3. There was a test yesterday. I didn’t know that, so I didn’t study for it.
----> If I ....................had known that , i would have studied for it....................................................................................
4. I’m busy right now, so I can’t help you.
----> I could...............help you if i weren't busy right now....................................................................................
5. He’s very thin, that’s why he feels the cold so much.
----> If he...............weren't very thin , he wouldn't feel the cold so much........................................................................................
6. I didn’t eat breakfast several hours ago, so I am hungry now.
----> If I.................had eaten breakfast several hours ago , i wouldn't be hungry now.........................................................................................
7. If John had played for our football team, we would not have lost the game.
----> Unless..............John hadn't played for our football team , we would not have lost the game. ......................................................................................
8. If I won a big prize in a lottery, I’d give up my job.
----> Unless..........I won a big prize in a lottery, i wouldn't give up my job..........................................................................................
9. If you don’t like this one, I’ll bring you another.
----> Unless...........you like this one , i will bring you another.........................................................................................
10. I’ll only help you if you promise to try harder.
----> Unless........you promíe to try harder , i will not help you............................................................................................

thanks

1.That book is too expensive ,so i am not going to buy it.

->If the book........................weren't expensive , I would buy it............

2.We do not go out very often because we can not afford it.

->If we....... went out very often ,we could afford it............................................

3.It is rainning ,so we can not have lunch on the patio.

->If it.....weren't rainning ,we could not have lunch on the patio.......

4.Water these plants or they will wither.

->If you..............don't water these plants, they will wither......................................

->unless you...................water these plants ,they will wither.................................

1/ We won't go out unless it stops raining 
--> We won't go out if it doesn't stop raining 
2/ I will call the police unless you give back my bicycle 
--> I will call the police if you don't give back my bicycle 
3/ You wouldn't be able to do this exercise unless your English were good 
--> You wouldn't be able to do this exercise if your English were not good 
4/ Unless we had enough rain, we couldn't grow rice 
--> If we didn't have enough rain, we couldn't grow rice 
5/ The fishermen couldn't have caught a lot of fish unless they had had good nets 
--> The fishermen couldn't have caught a lot of fish if they hadn't had good nets 
6/ I wouln't buy it unless I could afford it 
--> I wouln't buy it if I couldn't afford it 
7/ I would refuse to go unless they paid my expenses 
--> I would refuse to go if they didn't pay my expenses 
8/ I don't agree with his economic policy. I wouldn't vote for him unless he changed it 
--> I don't agree with his economic policy. I wouldn't vote for him if he didn't change it 
9/ He wouldn't have written unless he had heard news 
--> He wouldn't have written if he hadn't heard news 
10/ You might not have a terrible toothache unless you went to the dentist regularly 
Câu này phải bỏ "not" thì mới đúng nghĩa. 
You might have a terrible toothache unless you went to the dentist regularly 
--> You might have a terrible toothache if you didn't go to the dentist regularly 

Chúc you hok tốt nhé 

1/ We won't go out unless it stops raining 
--> We won't go out if it doesn't stop raining 
2/ I will call the police unless you give back my bicycle 
--> I will call the police if you don't give back my bicycle 
3/ You wouldn't be able to do this exercise unless your English were good 
--> You wouldn't be able to do this exercise if your English were not good 
4/ Unless we had enough rain, we couldn't grow rice 
--> If we didn't have enough rain, we couldn't grow rice 
5/ The fishermen couldn't have caught a lot of fish unless they had had good nets 
--> The fishermen couldn't have caught a lot of fish if they hadn't had good nets 
6/ I wouln't buy it unless I could afford it 
--> I wouln't buy it if I couldn't afford it 
7/ I would refuse to go unless they paid my expenses 
--> I would refuse to go if they didn't pay my expenses 
8/ I don't agree with his economic policy. I wouldn't vote for him unless he changed it 
--> I don't agree with his economic policy. I wouldn't vote for him if he didn't change it 
9/ He wouldn't have written unless he had heard news 
--> He wouldn't have written if he hadn't heard news 
10/ You might not have a terrible toothache unless you went to the dentist regularly 
--> You might not have a terrible toothache if you go to the dentist regularly