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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.
Rewrite:
1. I'll help you if you promise to try harder
-Unless.......you promise to try harder, I will not help you ......
2. When you press this button, this machine will start
- If.........you don't press this button, this machine will not start ......
3. Today is an awful day, so we can't go to the beach
- If.......today weren't an awaful day, we could go to the beach ........
4. It is raining, so we can't go out
- Unless.........it is raining, we can go out ........
5. If you don't rest yourself, you really will be ill
- Unless.........you don't rest yourself, you really will be ill .......
6. Unless he phones immediately, he won't get any information
- If.........he doesn't phone immediately, he won't get any information ......
7. We got lost because we didn't have a map
- If.......we had had a map, we wouldn't have got lost ....
8. You'd better learn English
- If I were.......you, I would learn English .......
9. If you don't start at once, you will be late
- Unless........you start at once, you will be late .......
10. Unless you water the tree every day, it will die
- If.....you don't water the tree everyday, it will die .....
Rewrite:
1. I'll help you if you promise to try harder
-Unless...............you don't promise to try harder,I'll help you.........
2. When you press this button, this machine will start
- If..........you press this button, this machine will start.................
3. Today is an awful day, so we can't go to the beach
- If........ Today weren't an awful day, so we could go to the beach.....
4. It is raining, so we can't go out
- Unless...........it were raining, we could go out.............................
5. If you don't rest yourself, you really will be ill
- Unless...........you rest yourself, you really will be ill..........
6. Unless he phones immediately, he won't get any information
- If......he doesn't phone immediately, he won't get any information...
7. We got lost because we didn't have a map
- If..........we had had a map,We wouldn't have got lost.........................
8. You'd better learn English
- If I were.............you,I would learn English....................
9. If you don't start at once, you will be late
- Unless................you start at once, you will be late.................
10. Unless you water the tree every day, it will die
- If................you don't water the tree every day, it will die.........
Choose the best answer for each of the fllowing sentences
1. ............ if you work harder, you will be sacked.
A. Whether B. If C. However D. Unless
2. I think you should stop smoking.
A. If I am you, I will stop smoking B. If I were you, I will stop smoking
C. If I were you, I would stop smoking D. If I had been you, I would stop smoking
3. If you take the ice out of the fridge, it ...........
A. vaporizes B. melts C. heats D. disappears
4. We should do something to protect water from being polluted ........... we will have nothing to drink in the future.
A. if B. whether C. or D. unless
5. Let's knock on their door to see .......... home.
A. if they're B. unless they're C. whether they were D. if they were
6. Unless we .......... more snow, we can't go skiing.
A. will have B. have C. have had D. had
7. You'll fail the exam ........... you start revising.
A. if B. until C. when D. unless
8. Unless you wash the car, you .............. not drive it at the weekend
A. would B. could C. have to D. may
9. If Peter ............... his car before the drive, he ................ the problem of out of petrol.
A. cheked / will not get B. had checked / would not have got
C. checks / will not have got D. would be checking / will not have got
10. He stepped on the mine, and it exploded.
A. If he doesn't step on the mine, it doesn't explode.
B. If he doesn't step on the mine, it won't explode.
C. If he didn't step on the mine, it wouldn't explode.
D. If he hadn't step on the mine, it wouldn't have exploded.
Use UNLESS INSTEAD of IF:
1. if you are not careful, you will cut yourself with that knife.
- Unless you are careful, you will cut yourself with that knife.
2. If you do not like this one, I'll bring you another.
-Unless you like this one, I'll bring you another.
3. She'll be late if she does not hurry.
-Unless she hurries, she will be late.
4. If you don't sneeze, he won't know that we are there.
-]Unless you sneeze, he won't know that we are there.
5. Turn down the gas or the rice will burn.
-Unless you turn down the gas, the rice will burn.
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
I. Use UNLESS instead of IF:
1. If you are not careful, you will cut yourself with that knife
- Unless...........you're careful,you will cut yourself with that knife........
2. If you do not like this one, i'll bring you another
- Unless.......you like this one, I'll bring you another........
3. She'll be late if she does not hurry.
- Unless.........she hurries,she'll be late.........
4. If you doesn't sneeze, he won't know that we are there.
- Unless........you sneeze, he won't know that we are there..........
5. If she does her hair diffrently, she will look quite nice.
- Unless........she does her hair differently she will look quite nice........
II. Make conditional sentences according to the fact provided (type1)
1. Keep silent or you wake the baby
- ............................if you don't keep silent, you will wake the baby up..................................
2. Go right now or you'll be late for the train.
-...............................unless you go right now, you'll be late for the train........................
3. Practice speaking English regularly or you will not pass this entrance exam.
-...........................unless you practice speaking english regularly, you won't pass this entrance exam ........................
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
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...
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 :))