Question II. Put the verbs in brackets into the correct form.

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)

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)

Give the correct of verbs.
1. If we recycle more, we (help) .. ………………………… the earth.
2. Factories (not dump)…………………. waste into the rivers if the government fines
them heavy.
3. If people travel to work by bus, there (be) ………………….…….. fewer cars fumes.
4. We will save thousands of trees if we (not waste)……………………….. paper.
5. If we use waste water carefully, more people (have)…………...…… fresh water.
6. If you (be)……………..…. the president, what ………………..you
(do)…………….?
7. They get sick so often. If they (exercise)…………… more, they (be)………..
healthier.
8. If I (have)……………… one million US dollars, I (build)…………….. more parks
in our city.
9. Ngoc’s mother is unhappy. If Ngoc (tidy)…………..……….. her room every day,
her mother (not be)……………………… so upset.
10. There isn’t a garden at our house. If there (be)….., we(grow)…………vegetables.
11. It (not be)………… possible to save the Earth if we (not take)…………action now
12. If the world temperatures (continue) ………….to rise, there (be)……….less snow.
13. If I (be)……………. you, I (wear)…………….earplugs when going to the concert.
14. If we (do)…………………………..…. nothing to stop global warming, we
(see)………………. big changes in the future.
15. How………… you (travel) ………..…to work if you (not have)…………….. this
motorbike?
16. Our garden is so beautiful is so beautiful. There (not be)…………………….any
flowers if my sister (not take care)………………………… of it every day.
17. If today (be) __________ Sunday, we (go) _____________ to your native village.
18. If she does not invite me to her birthday party, I (not go) _______________.
19. What __________you (do) __________ if you (be) ________________him?
20. If we send an invitation, our friends (come) _____________________to our party.
21. If you (press) __________________CTRL + S, you will save the file.
22. She will forget to pick you up if you (not phone) ____________________her.
23. If she had 5 pounds more, she (buy) ____________________ this T-shirt.
24. We would sell the bike for 20 Euros if Ron (repair) _________________ it.

Exercise 1: Put the verbs in the brackets in the correct tense 1. If I had a typewriter, I __________ (type) it myself. 2. If I __________ (know) his address, I'd give it to you. 3 .He __________ (look) a lot better if he shaved more often. 4. If you __________ (play) for lower stake,s you wouldn't lose so much. 5. If he worked more slowly, he __________ (not make) so many mistakes. 6. I shouldn't drink that wine if I __________ (be) you. 7. More tourists would come to this country if it __________ (have) a better climate. 8. If I were sent to prison, you __________ (visit) me? 9. If someone __________ (give) you a helicopter, what would you do with it? 10. I __________ (buy) shares in that company if I had some money. 11. If he __________ (clean) his windscreen, he'd be able to see where he was going. 12. If you drove your car into the river, you __________ (be) able to get out? 13. If you __________ (not belong) to a union, you couldn't get a job. 14. If I __________ (win) a big prize in a lottery, I'd give up my job. 15. What you __________ (do) if you found a burglar in your house? 16. I could tell you what this means if I __________ (know) Greek. 17. If everybody __________ (give) Ј1, we would have enough. 18. He might get fat if he __________ (stop) smoking. 19. If he knew that it was dangerous, he __________ (not come). 20. If you__________ (see) someone drowning, what would you do? 21. I __________ (be) ruined if I bought her everything she asked for. 22. If you slept under a mosquito net, you __________ (not be) bitten so often. 23. I could get a job easily if I __________ (have) a degree. 24. If she__________ (do) her hair differently, she might look quite nice. 25. If we had more rain, our crops __________ (grow) faster. 26. The whole machine would fall to pieces if you __________ (remove) that screw 27. I __________ (keep) a horse if I could afford it. ' 28. I'd go and see him more often if he __________ (live) on a bus route. 29. If they __________ (ban) the sale of alcohol at football matches there might be less violence. 30. I __________ (offer) to help if I thought I'd be any use. Exercise 2: Using the given information, make conditional sentences with IF 1. They are poor, so they can’t help us. → If they ................................................................................................... 2. He doesn’t do his homework. He is always punished. → If he ..................................................................................................... 3. He doesn’t have enough time. He can’t help me. → If he ...................................................................................................... 4. She doesn’t take any exercise, so she is overweight. → If she .................................................................................................... 5. He doesn’t have a bicycle, so he always goes to class late. → He wouldn’t ........................................................................................... 6. I am bad at English, so I can’t do homework. → I could ................................................................................................... 7. He doesn’t practise speaking French, so he doesn’t speak it fluently. → If he ....................................................................................................... 8. The meeting can be cancelled because it snows heavily. → If it ..................................................................................................... 9. We don’t go because it will rain. → If it ........................................................................................................ 10. John is fat because he eats so many chips. → If John .................................................................................................. Exercise 3: Put the verbs in the brackets in the correct tense 1) If you__________ (help) your grandma, I__________ (do) the shopping. 2) Andrew__________ (water) the flowers if he__________ (stay) at home. 3) If she__________ (have) 5 pounds more, she__________ (buy) herself this T-shirt. 4) If they__________ (offer) me the job, I__________ (take) it. 5) You__________ (have) summer holidays from June till August if you__________ (live) in the USA. 6) We__________ (sell) the bike for 20 Euros if Ron__________ (repair) it. 7) If you__________ (use) a pencil, the drawing__________ (be) perfect. 8) The children__________ (be) happy if he__________ (teach) them English. 9) If Peter__________ ( visit) us, we__________(go) out tonight. 10) They__________ (come) again if he __________ (plan) a second stay.

Question I. Choose the best answer. (A,B, C or D)

1.I like ______________back my home village on holiday.

A. comes B. come C. came D. coming

2. If the factory ________________dumping poison into the lake, all the fish and other aquatic animals will die.

A. continues B. to continue C. continued D. will continue

3. Water ________________ in the lake has made the fish die.

A. pollution B. pollute C. polluted D. polluting

4. Mi and Nick like ______________back Mi’s home village on holiday.

A. comes B. come C. came D. coming

5. If the factory continues dumping poison into the lake, all the fish and other aquatic animals ________________.

A. die B. to die C. dead D. will die

6. Water pollution is the ________________ in the lake has made the fish die.

A. contaminating B. contaminate C. contaminated D. contamination

7. If we ______________water carefully, more people will have fresh water.

A. will use B. would use C. using D. use

8. If the factory continues dumping poison ________________ the lake, all the fish and other aquatic animals will die.\

A. into B. to C. about D. in

Question II. Put the verbs in brackets into the correct form.

(Chia những động từ trong ngoặc đơn vào đúng hình thức).

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

2. Factories (not dump) ______________waste into rivers if the government fine them heavily.

3. If people travel to work by bus, there (be) ______________fewer car fumes.

4. We (save) ________________thousands of trees if we don’t waste paper.

5. If we use water carefully, more people (have) ______________fresh water.

Question II. Put the verbs in brackets into the correct form.

(Chia những động từ trong ngoặc đơn vào đúng hình thức).

1. If he (study) ________________ harder, he can pass an exam.

2. She may be late if she (not hurry) ________________.

3.If you study harder, you (pass) ________________ the exam.

4. If you are kind to me, I (be) _______________ good to you.

5.If he (give) _______________ up smoking, as his doctor orders, he will be soon well again.

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

7.They get sick so often.If they exercised more, they (be) ________________ heathier.

8.If I (have) ________________ one million US dollars , I would build more parks in our city.

9.Quan’s mother is unhappy. If Quan tided his room every day, his mother (not be) ______

so upset.

10.There isn’t a garden at house .If there were, we (grow) ________________ vegetables.

Exercise 1: Put the verbs in the brackets in the correct tense
1. If I had a typewriter, I .........................(type) it myself.
2. If I .........................(know) his address, I'd give it to you.
3 .He .........................(look) a lot better if he shaved more often.
4. If you .........................(play) for lower stakes, you wouldn't lose so much.
5. If he worked more slowly, he .........................(not make) so many mistakes.
6. I shouldn't drink that wine if I .........................(be) you.
7. More tourists would come to this country if it .........................(have) a better
climate.
8. If I were sent to prison, you .........................(visit) me?
9. If someone .........................(give) you a helicopter, what would you do with
it?
10. I .........................(buy) shares in that company if I had some money.
Exercise 2: Using the given information, make conditional sentences with IF
1. They are poor, so they can’t help us.
→ If they ...................................................................................................
2. He doesn’t do his homework. He is always punished.
→ If he .....................................................................................................

3. He doesn’t have enough time. He can’t help me.
→ If he ......................................................................................................
4. She doesn’t take any exercise, so she is overweight.
→ If she ....................................................................................................
5. He doesn’t have a bicycle, so he always goes to class late.
→ He wouldn’t ...........................................................................................
6. I am bad at English, so I can’t do homework.
→ I could ...................................................................................................
7. He doesn’t practise speaking French, so he doesn’t speak it fluently.
→ If he .......................................................................................................
8. The meeting can be cancelled because it snows heavily.
→ If it .....................................................................................................
9. We don’t go because it will rain.
→ If it ........................................................................................................
10. John is fat because he eats so many chips.
→ If John ..................................................................................................