VII. Complete the sentences with the verbs in brackets. Use conditional sentences type 1. 1. If the air in a City________ (get) very polluted, it can make people’s eyes burn.

2. If we dump all sorts of Chemicals into rivers, we________ (not be) able to swim in them in the future.

3. Many wildlife habitats will be destroyed if people________ (keep) polluting the environment.

4. If we all use public transport more, we________ (help) reduce air pollution.

5. If we________ (not stop) over-fishing the oceans, many species________ (become) extinct.

6. If everyone________ (recycle) paper, metal and glass, we ________ (not produce) so much rubbish.

7. We________ (have) dirty seafood if we________ (dump) rubbish into the sea.

8. If global warming________ (continue), temperatures________ (rise) even higher.

9. If light pollution________ (keep) growing, you________ (not be) able to see even the Big Dipper at night.

10. We________ (threaten) our own existence if we________ (not cut down) the waste rapidly.

VII. Complete the sentences with the verbs in brackets. Use conditional sentences type 1. 1. If the air in a City________ (get) very polluted, it can make people’s eyes burn.

2. If we dump all sorts of Chemicals into rivers, we________ (not be) able to swim in them in the future.

3. Many wildlife habitats will be destroyed if people________ (keep) polluting the environment.

4. If we all use public transport more, we________ (help) reduce air pollution.

5. If we________ (not stop) over-fishing the oceans, many species________ (become) extinct.

6. If everyone________ (recycle) paper, metal and glass, we ________ (not produce) so much rubbish.

7. We________ (have) dirty seafood if we________ (dump) rubbish into the sea.

8. If global warming________ (continue), temperatures________ (rise) even higher.

9. If light pollution________ (keep) growing, you________ (not be) able to see even the Big Dipper at night.

10. We________ (threaten) our own existence if we________ (not cut down) the waste rapidly.

VIII. Complete the sentences with the verbs in brackets. Use conditional sentences type 2.

1. If people________ (not be) so careless, Earth wouldn’t be in danger.

2. The amount of waste ________ (decrease) if people started to buy reusable packages.

3. Many fish wouldn’t die if factories________ (not dump) so many Chemicals into rivers and oceans.

4. If people stopped using cars completely, there________ (be) much less pollution.

5. If people________ (buy) more recycled paper, there wouldn’t be so much waste.

6. If we________ (not bury) Chemical waste underground, we ________ (not pollute) fresh water supplies.

7. Pollution________ (not be) such an issue if governments and common people really ________ (care).

8. What ________ (happen) if the whole world________ (be) full of pollution?

9. If people________ (pay) a little more attention to the environment, the Earth________ (be) greener.

10. If people no longer________ (pollute) the atmosphere, the air________ (soon become) clean again.

ai lam nhanh va dung to se tick

VII. Complete the sentences with the verbs in brackets. Use conditional sentences type 1. 1. If the air in a City________ (get) very polluted, it can make people’s eyes burn.

2. If we dump all sorts of Chemicals into rivers, we________ (not be) able to swim in them in the future.

3. Many wildlife habitats will be destroyed if people________ (keep) polluting the environment.

4. If we all use public transport more, we________ (help) reduce air pollution.

5. If we________ (not stop) over-fishing the oceans, many species________ (become) extinct.

6. If everyone________ (recycle) paper, metal and glass, we ________ (not produce) so much rubbish.

7. We________ (have) dirty seafood if we________ (dump) rubbish into the sea.

8. If global warming________ (continue), temperatures________ (rise) even higher.

9. If light pollution________ (keep) growing, you________ (not be) able to see even the Big Dipper at night.

10. We________ (threaten) our own existence if we________ (not cut down) the waste rapidly.

VIII. Complete the sentences with the verbs in brackets. Use conditional sentences type 2.

1. If people________ (not be) so careless, Earth wouldn’t be in danger.

2. The amount of waste ________ (decrease) if people started to buy reusable packages.

3. Many fish wouldn’t die if factories________ (not dump) so many Chemicals into rivers and oceans.

4. If people stopped using cars completely, there________ (be) much less pollution.

5. If people________ (buy) more recycled paper, there wouldn’t be so much waste.

6. If we________ (not bury) Chemical waste underground, we ________ (not pollute) fresh water supplies.

7. Pollution________ (not be) such an issue if governments and common people really ________ (care).

8. What ________ (happen) if the whole world________ (be) full of pollution?

9. If people________ (pay) a little more attention to the environment, the Earth________ (be) greener.

10. If people no longer________ (pollute) the atmosphere, the air________ (soon become) clean again.

ai lam nhanh va dung to se tick

VII. Complete the sentences with the verbs in brackets. Use conditional sentences type 1. 1. If the air in a City________ (get) very polluted, it can make people’s eyes burn.

2. If we dump all sorts of Chemicals into rivers, we________ (not be) able to swim in them in the future.

3. Many wildlife habitats will be destroyed if people________ (keep) polluting the environment.

4. If we all use public transport more, we________ (help) reduce air pollution.

5. If we________ (not stop) over-fishing the oceans, many species________ (become) extinct.

6. If everyone________ (recycle) paper, metal and glass, we ________ (not produce) so much rubbish.

7. We________ (have) dirty seafood if we________ (dump) rubbish into the sea.

8. If global warming________ (continue), temperatures________ (rise) even higher.

9. If light pollution________ (keep) growing, you________ (not be) able to see even the Big Dipper at night.

10. We________ (threaten) our own existence if we________ (not cut down) the waste rapidly.

VIII. Complete the sentences with the verbs in brackets. Use conditional sentences type 2.

1. If people________ (not be) so careless, Earth wouldn’t be in danger.

2. The amount of waste ________ (decrease) if people started to buy reusable packages.

3. Many fish wouldn’t die if factories________ (not dump) so many Chemicals into rivers and oceans.

4. If people stopped using cars completely, there________ (be) much less pollution.

5. If people________ (buy) more recycled paper, there wouldn’t be so much waste.

6. If we________ (not bury) Chemical waste underground, we ________ (not pollute) fresh water supplies.

7. Pollution________ (not be) such an issue if governments and common people really ________ (care).

8. What ________ (happen) if the whole world________ (be) full of pollution?

9. If people________ (pay) a little more attention to the environment, the Earth________ (be) greener.

10. If people no longer________ (pollute) the atmosphere, the air________ (soon become) clean again.

Ai ma giai dc thi to se tick va ket ban cho nhe

lam nhanh ho to nhe 

cam on moi nguoi

FUTHER PRACTICE

1. Give the correct form of the words in the brackets in each of the following sentences

1. ________ elements have been found in both ground and underground water sources. (pollute)

2. The soil becomes ________ because of the use of so many pesticides and fertilizers. (contaminate)

3. People believe that the ________ water has brought cancer to the local residents. (pollute)

4. A number of cleaning products contain ________ chemicals. (harm)

5. Astronomers are concerned about light because they have ________ in viewing activities in the sky and out space. (difficult)

6. ________ waste spills can contaminate groundwater. (industry)

7. Noise is considers as ________ pollution. (environment)

8. Water samples collected at these villages were seriously ________ with bacterial. (contaminate)

9. ________ habitats have been destroyed in recent years. (nature)

10. Light pollution makes us ________ to see the stars in the sky. (able)

11. The natural__________ beauty of Thodupuzha has attracted many Malayalam movie makers. (scenery)

12. Flags__________ nations, not languages. (symbol)

13. Ayers Rock is also one of the top tourist__________ in Australia. (attract)

14. The Eiffel Tower is the most__________ Parisian landmark. (icon)

15. English is recognized as an__________ language in a total of 67 different countries. (office)

2. Complete the sentences with the verbs in brackets. Use conditional sentences type 1.

1. If the air in a City________ (get) very polluted, it can make people’s eyes burn.

2. If we dump all sorts of Chemicals into rivers, we________ (not be) able to swim in them in the future.

3. Many wildlife habitats will be destroyed if people________ (keep) polluting the environment.

4. If we all use public transport more, we________ (help) reduce air pollution.

5. If we________ (not stop) over-fishing the oceans, many species________ (become) extinct.

6. If everyone________ (recycle) paper, metal and glass, we ________ (not produce) so much rubbish.

7. We________ (have) dirty seafood if we________ (dump) rubbish into the sea.

8. If global warming________ (continue), temperatures________ (rise) even higher.

9. If light pollution________ (keep) growing, you________ (not be) able to see even the Big Dipper at night.

10. We________ (threaten) our own existence if we________ (not cut down) the waste rapidly.

II. Put the verbs in brackets into the correct form. (conditional sentences type 1, 2)

1. If we (recycle) _____ more, we will help the Earth.

2. Factories (not dump) _____ waste into rivers if the government fines them heavily.

3. Students will be more aware of protecting environment if teachers _____ (teach) environmental issues at school.

4. If light pollution ______ (happen), animals will change their behaviour patterns.

5. If people (travel) _____ to work by bus, there will be fewer car fumes.

6. We _____ (save) thousands of trees if we don’t waste paper.

7. If we use water carefully, more people _____ (have) fresh water.

8. The level of radioactive pollution will decrease if we _____ (switch) from nuclear power to renewable energy sources.

9. If the water temperature (increase) _____, some aquatic creatures will be unable to reproduce.

10. People will get more diseases if the water (be) _____ contaminated.

11. If you (be) _____ the president, what would you do to help the environment?

12. They get sick so often. If they (exercise) _____ more, they (be) _____ healtheir.

13. If I had one million US dollars, I (build) _____ more parks in our city.

14. Ngoc’s mother is unhappy. If Ngoc (tidy) _____ her room everyday, her mother (not be) _____ so upset.

15. There isn’t a garden at our house. If there (be) _____, we (grow) _____ vegetables.

16. It (not be) _____ possible to save the Earth if we don’t take action now.

17. If the world temperatures continue to rise, there (be) _____ less snow.

18. If I (be) _____ you, I would wear earplugs when going to the concert.

19. If we do nothing to stop global warming, we (see) _____ big changes in the future.

20. How _____ you _____ (travel) to work if you didn’t have this motorbike?

21. Our garden is so beautiful. There (not be) _____ any flowers if my sister (not take care) _____ it every day.

22. If pigs (have) _____ wings, _____ (they/be able) to fly?

23. If I _____ (be) an astronaut, I _____ (travel) to other planets.

24. If you _____ (not see) Tom ever again, how _____ (you/feel)?

25. What _____ (you/do) if you _____ (see) a ghost?

26. If you _____ (eat) more of this cake, you _____ (be) sick. You’ve already had five slices!

27. Who _____ (you/vote) for if you _____ (be) eighteen?

28. If you _____ (be) late, we _____ (not wait). We’ll have to go without you!

29. If the ozone layer is not protected, we _____ (suffer) from excessive ultraviolet radioation.

30. If you _____ (leave) the lights that you are not using on, you’ll cause over-illumination, a form of light pollution.

31. Soil pollution _____ a serious problem to solve if levels of pollutants in soil go beyond what should be naturally allowed.(be)

32. If your farming land _____ near a landfill or an industrial area, it is essential that you test the soil for pollutants before growing anything adible. (be)

33. You will be less likely to suffer lung cancer if you _____. (not smoke)

34. If it is sunny, we _____ a clean-up of the garden. (do)

35. If local residents _____ cutting trees for wood at this rate, the forest will soon be gone. (keep)

36. If we take good care of the garden, we _____ flowers all year round. (have)

37. If man _____ dumping waste into the sea, they will soon be victims. (keep)

38. We’ll go without Linh if she _____. (not come)

39. If everyone _____ a small contribution, we’ll be able to do a good cause. (make)

1. If we (recycle) _____ more, we will help the Earth.

2. Factories (not dump) _____ waste into rivers if the government fines them heavily.

3. Students will be more aware of protecting environment if teachers _____ (teach) environmental issues at school.

4. If light pollution ______ (happen), animals will change their behaviour patterns.

5. If people (travel) _____ to work by bus, there will be fewer car fumes.

6. We _____ (save) thousands of trees if we don’t waste paper.

7. If we use water carefully, more people _____ (have) fresh water.

8. The level of radioactive pollution will decrease if we _____ (switch) from nuclear power to renewable energy sources.

9. If the water temperature (increase) _____, some aquatic creatures will be unable to reproduce.

10. People will get more diseases if the water (be) _____ contaminated.

11. If you (be) _____ the president, what would you do to help the environment?

12. They get sick so often. If they (exercise) _____ more, they (be) _____ healtheir.

13. If I had one million US dollars, I (build) _____ more parks in our city.

14. Ngoc’s mother is unhappy. If Ngoc (tidy) _____ her room everyday, her mother (not be) _____ so upset.

15. There isn’t a garden at our house. If there (be) _____, we (grow) _____ vegetables.

16. It (not be) _____ possible to save the Earth if we don’t take action now.

17. If the world temperatures continue to rise, there (be) _____ less snow.

18. If I (be) _____ you, I would wear earplugs when going to the concert.

19. If we do nothing to stop global warming, we (see) _____ big changes in the future.

20. How _____ you _____ (travel) to work if you didn’t have this motorbike?

21. Our garden is so beautiful. There (not be) _____ any flowers if my sister (not take care) _____ it every day.

22. If pigs (have) _____ wings, _____ (they/be able) to fly?

23. If I _____ (be) an astronaut, I _____ (travel) to other planets.

24. If you _____ (not see) Tom ever again, how _____ (you/feel)?

25. What _____ (you/do) if you _____ (see) a ghost?

26. If you _____ (eat) more of this cake, you _____ (be) sick. You’ve already had five slices!

27. Who _____ (you/vote) for if you _____ (be) eighteen?

28. If you _____ (be) late, we _____ (not wait). We’ll have to go without you!

29. If the ozone layer is not protected, we _____ (suffer) from excessive ultraviolet radioation.

30. If you _____ (leave) the lights that you are not using on, you’ll cause over-illumination, a form of light pollution.

31. Soil pollution _____ a serious problem to solve if levels of pollutants in soil go beyond what should be naturally allowed.(be)

32. If your farming land _____ near a landfill or an industrial area, it is essential that you test the soil for pollutants before growing anything adible. (be)

33. You will be less likely to suffer lung cancer if you _____. (not smoke)

34. If it is sunny, we _____ a clean-up of the garden. (do)

35. If local residents _____ cutting trees for wood at this rate, the forest will soon be gone. (keep)

36. If we take good care of the garden, we _____ flowers all year round. (have)

37. If man _____ dumping waste into the sea, they will soon be victims. (keep)

38. We’ll go without Linh if she _____. (not come)

39. If everyone _____ a small contribution, we’ll be able to do a good cause. (make)

* Exercise 1 : Put the verbs in brackets into correct form: 1. If we had missed the train, we .......................... (be) late for the meeting. 2. If it …………………….(not, rain), I will come to see you. 3. We would be at the airport for hours, if we …………….(not know) that the flight was delayed. 4. If Nga ……………..…….(have) your address, she will send you a postcard. 5. If he………………………(drive) carefully, he wouldn’t have got an accident 6. If he……………….. (eat) all that, he will be ill. 7. If I find your passport, I……………..(telephone) you at once. 8. If I ……………………(be) you, I would give up smoking.