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1. I haven't got money , so I'm not going on holiday
-> If I haven't got money , I am not going on holiday
2. He often gets bad marks because he is lazy
-> If he lazy , he will often get bad marks
3. Do it now , or you will not finish it on time
-> If you don't do it now, you won't finish it on time
4. Hurry up , or we will be late for the exam
-> If we are not hurry , We will be late for the exam
5. Be quiet , or you will not understand the lesson
-> If you are not be quiet , you will not understand the lesson
6. They do not understand you because you do not often talk to them
-> If you don't talk to them , they won't understand you
7. The office may be closed , so Mark won't be able to get in
-> If the office may be closed , Mark won't be able to get in
8. You can't look the work up because you haven't got a dictionary
-> If you haven't got a book , you can't look the work up
9. He didn't hurry , so he missed the train
-> If he đin't hurry , He would miss the train
10. We canceled our picnic because it rained very hard yesterday
-> If it rained very hard yesterday , we would cancele our picnic
11. I wasn't at home yesterday , I didn't see my old friends
-> If I didn't see my old friends , I would not at home yesterday
12. They don't behave themselves so their parents are not happy about that
-> If their parents are not happy about that, They don't behave themselves
13. She didn't say sorry so she was angry
-> If she was angry , she would not say sorry
14 . It raines last night so I didn't go to the barbecue
-> If I didn't go the the barbecue , It would rain last night
15. She doesn't play attention to her coooking so the food is horrible
-> If the food is horrible , She won't play attention to her cooking
16. The weather was very nice so we didn't go camping
-> If the weather was very nice , we wouldn't go camping
17. The computer broke down and I had to stop my work
-> If the computer broke down , I had stopped my work
18. She love him so she forgives him easily
-> If she love him , she will forgive him easily
Chúc bạn học tốt 
1. I haven't got money , so I'm not going on holiday
- If I had enough money I would go on holiday.
2. He often gets bad marks because he is lazy
-> If he isn't lazy, He will not get bad marks.
3. Do it now , or you will not finish it on time
-> If you don't do it now, you won't finish it on time.
4. Hurry up , or we will be late for the exam
-> If we don't hurry up, we will be late for the exam.
5. Be quiet , or you will not understand the lesson
-> If you weren't quite, you won't understand the lesson.
6. They do not understand you because you do not often talk to them
-> If you often talk to them, they will understand you.
7. The office may be closed , so Mark won't be able to get in
-> If the office are closed , Mark won't be able to get in.
8. You can't look the work up because you haven't got a dictionary
-> If I had a dictionary, I could look the word up.
9. He didn't hurry , so he missed the train
-> If he had hurried , he wouldn't have missed the train .
mấy câu nữa tối làm
viết lại câu
1,i am sick today ,so i don't go to class
--> if I weren't sick today, I would go to class.
2,there isn't a river in my village.we can't go swimming
-->if there were a river in my village, we could go swimming.
3,i don't have enough money.i can't go swimming everyday
-->if I had enough money , I could go swimming everyday.
4,work harder or you won't pass the exam
-->if you work harder, you will pass the exam.
5,tom has so many accidents because he is so clumsy
-->if Tom weren't so clumsy, he wouldn't have so many accidents.
6,listen to the teacher please or you can't understand the lesson
-->if you don't listen to the teacher, you can't understand the lesson.
7,i think you should surf the internet for more in for mation
-->if I were you, I would surf internet for more information.
8,it is raining, so we can't finish the game
-->if it weren't raining, we could finish the game.
9,hurry up or you miss the bus
-->if you don't hurry up, you will miss the bus.
10,he doesn't get high marks because he is lazy
-->if he weren't lazy, he would get high marks.
11,the office may be closed,so mark won't be able to get in
-->if the office might not be closed, Mark could get in.
12,i don't know to control this machine
-->i wish I knew how to control this machine.
13,it started raining an hour ago
-->it has been raining for an hour
14,she last visited herparents last sunday
-->she has visited her parents since last Sunday.
15,i study engish badly
-->i wish I studied English better.
1) It is late now; I don't think Ann will come to see us
-> I would be surprised if Ann came to see us.
2)We don't go on holiday because we don't have enough money
-> If we had enough money, we would go on holiday.
3) Do these exercises more carefully or you will fail the exams
-> Unless you do these exercises more carefully, you will fail the exams.
4) I do not know the answer so I can not tell you
-> If I knew the answer, I could tell you.
5) She can't apply for the job because she doesn't know French
-> If she knew French, she could apply for the job.
6) if she didn't come here now, we'd come back home
-> Unless she came here now, we'd come back home.
7) Be careful or you will not be able to get the job
-> Unless you are careful, you will be able to get the job.
8) The trees will die unless it rains soon
-> If it doesn't rains soon, the trees will die.
Ex1: (Conditionals,I wish,Past Subjunctive) Finish each of the following sentences in such a way that it means the same as the sentences printed before it
1,The only reason Jimmy often gets bad marks is because he is lazy
If Jimmy weren't lazy, he wouldn't often get bad marks.
2,We got lost because we didn't have a map
If we had had a map, we wouldn't have got lost.
3,We didn't go on holiday because we did not have enough money
If we had had enough money, we would have gone on holiday.
4,She didn't hurry,so she missed the train
If she had hurried, she wouldn't have missed the train.
5,I bought beef because I didn't know she couldn't eat it
If I had known she couldn't eat beef, I wouldn't have bought beef.
6,Providing that you leave a forwarding address,we will be able to contact you
Unless you leave a forwarding address, we will be able to contact you.
7,Unless you save some money,you will never be able to buy a car
Provided that you save some money, you will be able to buy a car.
8,The boys don't have any matches,so they can't light the fire
If the boys had some matches, they could light the fire.
Ex1: (Conditionals,I wish,Past Subjunctive) Finish each of the following sentences in such a way that it means the same as the sentences printed before it
1,The only reason Jimmy often gets bad marks is because he is lazy
If Jimmy.....weren't lazy , he wouldn't often get bad marks
2,We got lost because we didn't have a map
If we.....had a map , we wouldn't get lost
3,We didn't go on holiday because we did not have enough money
If we.had enough money , we would go on holiday ...
4,She didn't hurry,so she missed the train
If she.had hurried , she would have missed...
5,I bought beef because I didn't know she couldn't eat it
If I.... had known she couldn't eat beef, I wouldn't have bought beef.
6,Providing that you leave a forwarding address,we will be able to contact you
Unless you leave a forwarding address, we will be able to contact you
7,Unless you save some money,you will never be able to buy a car
Provided that.. you save some money, you will be able to buy a car...
8,The boys don't have any matches,so they can't light the fire
If the boys. had some matches, they could light the fire...
Rewrite
1.She is so selfish,so we don't like her
If.......she weren’t so selfish,we would like her.............
2.If you didn't speak quickly,I cou;d understand you
Unless......you spoke quickly,i could understand you...............................
3.Hurry up or we will miss the bus
If we......don’t hurry up,we will miss the bus.........................
4.Do the test carefully or you may get bad mark
If you.....don’t do the test carefully,you may get bad mark..........................
5.Uncles Nga hurries,she will mis the last train
If Nga.....doesn’t hurry,she will miss the last train.........................
6.Mary doesn't buy this shirt because she doesn't have enouugh money
If Mary had enough money,she would buy this shirt
7.Tom eats too much,so he gets fat
If Tom.....didn’t eat too much,he wouldn’t Get fat...................
8.I am not free today,so we can't go to the beach
We could....go to the beach If i were free today..................
9.It's rainy,so the children can't go swimming
The children could.....go swimming if it weren’t Rainy ...........
10.Give him some advice or he won't know what to do
If you.....don’t give him some advice,he won’t know what to do.......................
11.He will get wet unless he puts the raincoat on
If he doesn’t Put the raincoat on,he will get wet
12.We don't buy a lot of new books because we don't have a lot of money
We would......buy a lot of new books if we had a lot of money.....
1.She is so selfish,so we don't like her
If she weren't so selfish, we would like her.
2.If you didn't speak quickly,I cou;d understand you
Unless you spoke quickly, I could understand you.
3.Hurry up or we will miss the bus
If we don't hurry up, we will miss the bus.
4.Do the test carefully or you may get bad mark
If you don't do the test carefully, you may get bad mark.
5.Uncles Nga hurries,she will mis the last train
If Nga doesn't hurry, she will miss the last train.
6.Mary doesn't buy this shirt because she doesn't have enouugh money
If Mary had enough money, she would buy this shirt.
7.Tom eats too much,so he gets fat
If Tom didn't eat too much, he wouldn't get fat.
8.I am not free today,so we can't go to the beach
We could go to the beach if i were free today.
9.It's rainy,so the children can't go swimming
The children could go swimming if it weren't rainy.
10.Give him some advice or he won't know what to do
If you give him some advice, he will know what to do.
11.He will get wet unless he puts the raincoat on
If he doesn't put the raincoat on, he will get wet.
12.We don't buy a lot of new books because we don't have a lot of money
We would buy a lot of new books if we had a lot of money.
bài tập về câu điều kiện loại 1,2,3
`1 if i ( have )......have....... time , i will write to him
2 if itt is coll , i ( need ) ..........will need..................a heavier coat 3. what are you going to do if you ( have) ...................have....... a holiday?
5 if I meet Helen , I ( give )............will give..............................her your message
6 if flowers don't get any water , they (die)..........will die...........................................
7 if I ( get ) ........get..................... a headache , i usually take some aspirins
8 i will go to the party unless it ( rain)............rains......................................
9 she will buy the car as long as it (not be).........isn't..................... too expensive
10 everything ( be ) ........is....................provided yo tell the truth
11 if he (come)..........comes.........., please tell him that i will be back in a few mintes
12 don't come if they (not call )..........don't call............you
13 if you (need )........need................., why don't you tell me?
14 suppose you (win)..........won...............a lot of money , what would you do ?
15 if i got up earlier, i (not be ).............wouldn't be...............late for work
16 if i didn't fell so tired , i (go ) .....would go..........out with you
17 if you ( not pass).....diđn't pass........the exam, would you take it again ?
18 if i ( not be ) .......hadn't been...........busy yesterday , i would have visited you
19 suppose they had offered her a job , do you think she (take )......would have taken..........it ?
20 if i (know)...........had known................that you were ill , i (go)............would ahve gone........to see you
21 i (see)........will see..........him if i (go)........go................to the party tonight
22 my dark (bark)...........will bark...............if it (hear)..........hears..............anything strong
23 what ......will...........we (do)........do...........if they (come)............come.........tomorrow?
24 if she hadn't been ill yesterday , she (go )......would have gone..........to work now
25 if i can go tomorrow , i (let).........will let......you know
bài tập về câu điều kiện loại 1,2,3
`1 if i ( have )...have.... time , i will write to him
2 if it is coll , i ( need ) ....will need......a heavier coat .
3. what are you going to do if you ( have) .......have..... a holiday?
5 if I meet Helen , I ( give )...........will give.............her your message
6 if flowers don't get any water , they (die).........will die................
7 if I ( get ) .....get..... a headache , i usually take some aspirins
8 i will go to the party unless it ( rain)..........rains.................
9 she will buy the car as long as it (not be)....isn’t...... too expensive
10 everything ( be ) ..........will be.....provided yo tell the truth
11 if he (come)....comes....., please tell him that i will be back in a few mintes
12 don't come if they (not call ).....don’t call........you
13 if you (need )........need........, why don't you tell me?
14 suppose you (win).......won......a lot of money , what would you do ?
15 if i got up earlier, i (not be ).......wouldn’t be....late for work
16 if i didn't fell so tired , i (go ) ....would go....out with you
17 if you ( not pass)...didn’t pass......the exam, would you take it again ?
18 if i ( not be ) ....had been...busy yesterday , i would have visited you
19 suppose they had offered her a job , do you think she (take )........would have taken......it ?
20 if i (know)..........knew........that you were ill , i (go).....would go........to see you
21 i (see).......will see.....him if i (go)......go.......to the party tonight
22 my dark (bark)...........will bark.......if it (hear).....hears....anything strong
23 what ........will ....we (do).....do.....if they (come).......come..tomorrow?
24 if she hadn't been ill yesterday , she (go )......would go....to work now
25 if i can go tomorrow , i (let)......will let...you know
1 I'm busy so i can't go out with my friends
➞ If i had free time, i could go out with my friends
2 He plays soccer well so he can take part in the Games
➞ If he plays soccer well, he can take part in the Games
3 She can't go to the party because i don't invite her
➞ If i invited her, she could go to the party
4 I can't get a job easily because I don't have a degree
➞ If i had a degree, i could get a job easily
5 He doesn't have enough money , so he doesn't buy a house
➞ If he had enough money, he would buy a house
6 It is raining heavily so we can't go to the market
➞ If it weren't raining heavily, we could go to the market
7 He will go to watch the World Cup because he is studying in Russi
➞ If he studies in Russi, he will go to watch World Cup
8 I didn't talk to him because i didn't know him
➞ If i had knonw him, i would have talked to him
9 John didn't have money so he couldn't lend you some
➞ If he had had money, he could have lent you some
10 We couldn't go out because the weather was so bad
➞If the weather hadn't been so bad, we could have gone out
11 Mary didn't wear the raincoat, so she got a cold
➞If Mary had worn the raincoast, she wouldn't have got cold
12 Marry was injured in the crash because she wasnot wearing the seat belt
➞ If Marry had been wearing the seat belt, she wouldn't have been injured in the crash
13 Carol didn't answer the phone because he was studying
➞ If Carol hadn't been studying, he would have answered
14 You didn't eat breakfast, so you are hungry now
➞If you had eaten breakfast, you wouldn't be hungry now
15 I stayed up late last night, so i feel asleep now
➞If i hadn't stayed up late last night, i wouldn't feel asleep now
16 I can't retell the film now because i didn't watch it last night
➞If i had watched the film last night, i could retell it now
17 He is tired now because he drank too much yesterday evening
➞If he hadn't drunk too much yesterday evening, he wouldn't be tired now
18 I bought the car yesterday, so I run out of money now
➝ If i hadn't bought the car yesterday, i wouldn't run out of money now
19 He didn't go to the class regularly, so he can't take part in the competition now
➞If he had gone to the class regularly, he could take part in the competition now
I. Put the verds in brackets into the correct forms:
1. If I (have) .have.... time, I will write to him.
2. If it's cold, I (need) .will need... a heavier coat
3. What are you going to do if you (have).have... a holiday?
4. If I meet Helen, I (give)..will give... her your messenger
5. If I can go tomorrow, I (let)...will let.. you know
6. If flowers don't get any water, they (die)..will die..
7. Don't come if they (not call)..don't call..you
8. If I didn't feel so tired, I (go)...would go. out with you.
9. I could repair the car if I (have).had... the right tools.
10. If she hadn't been ill yesterday, she (go).would have gone.... to work now.
II. Rewrite these sentences, beginning as shown, so that the meaning stays the same:
1. If you don't like this one, I'll bring you another.
=> Unless you like this one, I'll bring you another.
2. I'll only help you if you promise to try harder.
=> Unless you promise to try harder,. I won't help you
3. Unless you work hard, you will not fail the exam
=> If you don't work hard, you will not fail the exam
4. Stand up or you will be punished.
=> Unless you don't Stand up ,you will be punished.
5. Do your homework or you will get bad mark
=> If you don't Do your homework,you will get bad mark
III. Rewrite these sentences use "If"
1. I don't know enough about this machine, so I can't mend it myself.
=> If I knew enough about this machine, I could mend it myself.
2. I don't ride the bus to work every morning because it's always so crowed
=> If it weren't always so crowed, I would ride the bus to work every morning
3. The wwind is blowing hard, so I won't take the boat out for ride.
=> If The wwind wern't blowing hard, I would take the boat out for ride.
4. Nick can'r find the way because he doesn't have a map.
=> If Nick had a map,He could find the way
5. Susan felt sick because she ate many cream cake.
=> If susan hadn't eaten many crea, cake,she wouldn't have felt sick
6. Without this treatment, the patient would have died.
=> If it hadn't been for this treament, the patient would have died.
7. Those people weren't prepared to face the floods; therefore, the consequence was disastrous
=>If Those people had been prepared to face the floods; the consequence wouldn't have been disastrous
IV. Rewrite these sentences
1. The book was so expensive that I didn't buy it.
=> The book was too expensive for me to buy
2. He can touch the light because he's very tall
=> He is tall enough to touch the light
3. It is such good weather that they are going for picnic.
=> The weather is so good that they are going for picnic.
4. I didn't go and neither did my friend (either)
=> I didn't go and my friend didn't,either
1.People don't trust him because he tells lies.
->If he.........didn't tell lies, people would trust him................................
2.She is so busy that she can't come to the party
->If she ........weren't so busy, she could come to the party............................
3.I haven't got the money , so I'm not going on holiday.
->If I.....had got the money, I would be going on holiday.....................
4.He often gets bad marks because he is lazy
->If ........he weren't lazy, he wouldn't often get bad marks.......................................
5.Do it now,or you will not finish it on time
->If........you don't do it now, you won't finish it on time....................
6.Hurry up,or we will ba->be late for the exam
->If......we don't hurry up, we will be late for the exam.................................
7.Be quiet ,or you will not understand the lesson
->If........you aren't quiet, you won't understand the lesson........................
8.I'm not a doctor , so I can't help you
->If......I were a doctor, I could help you....................
9.They do not understand you because you do not often talk to them
->If.........you often talked to them, they would understand you....................
10.I'm so busy , so I don't write to my friends regularly
->If I....weren't so busy, I would write to my friends regularly................................
11.The office may be closed, so Mark won't be able to get in
->If the office.....isn't closed, Mark will be able to get in(Tham khảo c11)......................
12.You can't look the word up because you haven't got a dictionary
->If.........you had got a dictionary, you could look the world up................
-Câu điều kiện loại 1 diễn tả điều có thể xảy ra ở hiện tại hoặc tương lai
-Cấu trúc: If+S+V(hiện tại đơn), S+will/can/may+V(infinitive)