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I.Put the verbs into the correct form:
1.If people (be).......were.......fully aware of the dangers of air pollution,they (damage)....would damaged................the atmosphere this way
2.We (not be)..........wouldn't be.............able to drink that water if it is not refined
3.If you (reduce)...........reduce.............the number of bulbs in your house,you (pay)...........will pay.........less money for the electricity bill next month
II.Fill in the blank with the correct form of the given word
1.Many people don't know about the.........dangerousness...............of soil pollution (dangerous)
2.The river is seriously............contaminated........by the factory's waste (contaminate)
3.The water color can show us how......polluted............the river is (pollute)
III.Find one mistake in each sentence and correct it
1.Constant exposure to noise pollution will lead in the loss of hearing (gạch chân ở to,will,in,loss)
2.Because of we turned on a lot of bulbs,our eyes got strained (gạch chân ở because of,on,got,strained)
3.If the environment were not polluted, birds wouldn't leave their habitats and plants would die (gạch chân ở polluted,wouldn't,habitats,would)
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.
1. The air in John's area is polluted , so he has breathing problem. ( if / because / because of / make / lead )
=>If the air in John's area weren't polluted,he wouldn't have breathing
=>Because The air in John's area is polluted , he has breathing
=>John has breathing because of the polluted air in his area
=>The polluted air in John's area makes him breath
2. The soil is posoned because farmers use too many pesticides and herbicides . ( so )
- If farmer ..didn't use too many pesticides and herbicides,the soil wouldn't be posoned................
=>Farmers use too many pesticides and herbicides,so the soil is posoned
3. Turn off all the lights and you will not pay more money - If you Turn off all the lights,you will not pay more money ..............
Unless you Turn off all the lights,you will pay more money .............. .........................
4. Be careful or you may have an accident -
If .you are careful,you may not have an accident........................
Unless you are careful ,you may have an accident.............................
5. He can't understand what she has said because he doesn't know English . ( If / so / because of )
=>If he knew E,he could understand what she has said
=>he doesn't know E,so He can't understand what she has said
=>Because of not knowing E,he can't understand what she has said
6. Many people have stomachache due to the contaminated food ( because / so / if )
=>Because the food is contaminated,many people have stomachache
7. There is sewage in the lake , so the aquatic animals die . ( because / result / due to / make if )
=>Because there is sewage in the lake,the aquatic animals die
=>Ban lm tg tu nhes
I.Put the verbs into the correct form:
1.If people (be)......were........fully aware of the dangers of air pollution,they (damage).........wouldn't damage...........the atmosphere this way
2.We (not be)...........won't............able to drink that water if it is not refined
3.If you (reduce)............reduce............the number of bulbs in your house,you (pay)..........will pay..........less money for the electricity bill next month
II.Fill in the blank with the correct form of the given word
1.Many people don't know about the..........danger..............of soil pollution (dangerous)
2.The river is seriously..........comtaminated..........by the factory's waste (contaminate)
3.The water color can show us how.......polluted...........the river is (pollute)
III. Complete the sentences with the correct form of the verbs in brackets.
1) If we DON'T RECYCLE ( not recycle) paper now, we'll need to cut down more trees in the future.
2) If the local people HAD (have)
fresh water, they wouldn't have to use polluted water.
3) What WOULD HAPPEN ( happen) if radioactive material was not handled properly?
4) If we recycle more household waste, there WILL BE ( be) less damage to the environment.
5) If we DIDN'T UNDERSTAND ( not understand) environmental ptoblems, we would not be able to do anything about them.
6) If the polar ice-caps melted completely, Sea levels worldwide WOULD RISE ( rise) about 60 metres.
7) The amount of plastic in the ocean WILL INCREASE ( increase) if we DON'T TAKE ( not take) action now.
8) These fish WOULDN'T DIE ( not die) if the factory DIDN'T DUMP ( not dump) its toxic waste into the river.
9) There WON'T BE ( not be) enough oxygen if we DON'T PROTECT ( not protect) the rain forests.
10) If I WERE ( be) the President, I WOULD BAN ( ban) billboards in cities in order to reduce visual pollution.
1. If you ( attend ) ...attend.. the environment seminar today , you ( learn ) ...will learn. more about causes and effects of light pollution.
2. Our water source ( become ) ..will become.. cleaner than it is today if the farmers ( not overuse ) ...don’t overuse.... pesticides .
3. If I ( be ) ...were you, I ( not work ) ...wouldn’t work for any nuclear plants due to the risk of radioactive pollution.
4. Are you going to buy that house , Tom ?
- No, we aren't. We ( suffer ) ..would suffer... from many unpleasant sound if we ( buy ) ...bought. it because it is near the industrial zone .
5. The ozone layer ( not get ) ..won’t get.. thin as we know if we ( not release ) ..don’t release.. too muc poisonous gases into the air .
6. If the government ( decide ) .decides... to fine people for throwing rubbish on the streets, WILLyou ( agree ) ...agree. or ( disagree ) ...disagree. with this ?
Question I: put the verbs in brackets into the correct form.( câu điều kiện loại 1)
1. If we( recycle).......recycle..... more, we help the earth.
2. factories( not dump).......won't dump..........waster into rivers if the government fine them heavily.
3. if people travel to work by bus, there( be)..will be.... fewer car fumes.
4. we( save) ...will save.......thousands of trees if we don't waste paper.
5. if we use water carefully, more people( have)..will have..fresh water.6. if the factory( continue)........continues.... dumping poison into the lake, all the fish and other aquatic animals will die.
7. if we recycle mỏe, we( help).........will help............. the earth.
8. if people ( travel)...........travel........ to work by bus, there will be fewer car fumes.
9. we save tthusands of trees if we( not waste).................don't waste paper.
10. factories don't dump waste into rivers if the govenment( fine).......fine.......... them heavily.
Question II. put the verbs in brackets into the correct form.
1. if he( study)......studies........ harder, he can passan exam.
2. she may be late if she( not hurry)....does not hurry..............3. if you study harder, you(pass)......will pass............ the exam.
4. if you are kind to me, I(be)......will be............good to you.
5, if he( give)............gives............up smoking,as his doctor orders, he will be soon well again.
6. you( not pass)......will not pass........your driving test unless you drive more carefully.
7. he'll be ill if he( not stop).......does not stop...........worrying so much.
8. we'll go to the beach tomorrow if it( be)......is................... nice.
Question III. put the verbs in brackets into the correct form.( câu điều kiện loại 2)
1. if I were you, I(look)....would look.............. for a new place to live.
2. if Lan wasn't ill, she( join)........would join.. out tree plating activity.3. if there were fewer cars on the road, there(be).....would be................ less pollution.
4. if people really cared about the environment, they( not dump)...........wouldn't dump.......waste into the lake.
5. if there was no fresh water in the world, what(happen).....would happen........
6. if you (be)..........were.......the president, what would you do to help the environment?
EXERCISE;VI ; The following sentences are first, secoud or third conditional. Put the verbs in brackets into the appropriate form.
2.Why don't you explain everything to him. If you [not tell].....don’t tell......him the truth. I'm sure you [regret].....will regret.....it one day.
3.Mary was here not long ago. If you [come round]......had come round......earlier, you [see].....would have seen......her.
4.Apparently, the ferry company are planning to close the port in this town. If that [happen].....happens......the town [lose]....will lose......a great deal of money.5.I [help].....would help....you with it if I [have]......had.....more time but I'm afraid I haven't got any spare time at all at the moment.
6.The government is expecting to win the next election, but if it [lose]....loses.....the Prime Minister [resign].....will resign......from politics.
7.I am so glad that you took me to your friend's party. If we [not go].....hadn’t gone.....there, I [never meet].....would have never met.....Kate Winset.
8.It's ridiculous that trains are so expensive. If fares [be].....were.....cheaper, I'm sure more people [use]...would use.....the train and leave their cars at hoem.
9.If she [get].....gets....that job she's applied for, she[be]......will be....delighted. And I think she's got a good chance of getting it.
10.Fortunately the explosion took place at night when the streets were empty. It [be]...would have been......a disater if it [happen]....had happened.....in the middle of the day.11.The talks between the two leaders keep breaking down. If they [break down].....break down.....again, it is possible that there [be]....will be......a war between the two countries.
12.If Alison [know]......knew.....anything about car mechanics ,I'm sure she [help]......would help .....us fix the car, but I think she knows even less than we do.
13.They've been married for twenty years now but I don't think she [marry].....would have married......him if she [know].....had known.....what a selfish man he was.
14.Children spend too much time watching television and playing computer games. I'm sure they [be].....would be....happier if they [spend]....spent......more time playing outside.
15.James has everything he wants but he's always moaning. I'm sure that if I [have]......had...so much money, I [not moan] ......would not moan.......all the time
choose A or B which is closer in meaning to the given sentences
1:stop smoking or it's not good for both your health and the air
A:If you don't stop smoking,you will destroy your health àn the air we breathe
B:You wouldn't destroy your health and the air we bretheif you stopped smoking
2:Nuclear weapons research and develoyment leads to radioacrive contamination
A:Radioactive contamination may not happen more often if there aren't nuclear weapons research and develoyment
B:Radioactive contamination mightn't happen more often if there weren't nuclear weapons research and develoyment
3:The factory has to be responible for not treating their industrial sewage properly
A:This river wouldn't be polluted if that factory treated their industrial sewage properly
B:This river will be polluted if that factory doesn't treat industrial sewage properly
4:People throw trash everywhere.Maybe they need to be raised their awareness of visual ppollution
A:If people are more aware of visual pollution,they won't throw trash everywhere
B:If people were more aware of visual pollution,they wouldn't throw trash everywhere
5:The sale is persuading me to buy the product of filter from his company
A:If you didn''t use this filter,it wouldn't remove almost pollutants from your drinking water
B:If you use filter,it will help you remove almost pollutants from your drinking water
6:I think the mayor of this city should cut down the unnecessary light poles to save energy
A:I would cut down the unnecessary light poles if I were the mayor of this city
B:If I am responsible for this city's policy,I will cut down the unnecessary light poles