1.We will plant more trees. The air will be fresh.

If We plant more trees, the air will be fresh.

2.We will use fewer cars. We will reduce pollution.

If we use fewer cars, we will reduce pollution.

3. We will cycle to school every day.We will keep fitter.

If we cycle to school every day, we will keep fitter.

4. We will use recycled products. We will save money.

If we use recycled products, we will save money.

5. People will travel more by public transport. The harmful gases in big cities will be reduced.

If People travel more by public transport, the harmful gases in big cities will be reduced.

1. If we plant more trees, the air will be fresh.

2. If we use fewer cars, we will reduce pollution.

3. If we cycle to school every day, we will keep fitter.

4. If we use recycled products, we will save money.

5. If people travel more by public transport, the harmful gases in big cities will be reduced.

1. It may be nice tomorrow. We should go boating up the river.
\(\Rightarrow\) If it is nice tomorrow, we should go boating up the river.

2. When they use so much pesticide, the rivers can be polluted.
\(\Rightarrow\) If they use so much pesticide, the rivers can be polluted.

3. Our trip starts at 6:00 and we arrive the city before noon.
If our trip starts at 6:00, we will arrive the city before noon.

4. You read English books more often I think your English will be improved more.
\(\Rightarrow\) If you read English books more often, your English will be improved more.

5. We may have more floods when we do not stop the deforestation
\(\Rightarrow\) If we have more floods , we will stop the deforestation.

6. People travel more by public transport. The exhaust fumes in big cities will be reduced.
\(\Rightarrow\) If people travel more by public transport, the exhaust fumes in big cities will be reduced.

recycle

won't dump

will be

will save

will have

continues

will help

travel

studies

won't hurry

will pass

will be

1 . recycle

2 . won't dump

3 . will be

4 . will save

5 . will have

6 . continues

7 . will help

8 . travel

9 . studies

10 . won't hurry

11 . will pass

12 . will be

1 ) recycle
2) won't drump 
3) will be 
4) will save 
5) will have
6) continues
7) will help 
8)travel 
9) studies 
10) don't hurry
11) will pass 
12 ) will be 
 

recycle

won't dump

will be

will save

will have

continues

will help

travel

studies

won't hurry

will pass

will be

1.If we recycle more, we will help the earth.

2. Factoties won't dump waste into the rivers if the government fines them heavy.

3. If people travel to work by bus, there will be fewer cars fumes.

4. We will save thousands of trees if we don't waste paper.

5. If we use waste water carefully, more peope will have fresh water.

6. If you were the president, what would you do?

7. They get sick so often. If they exercise more, they will be healthier.

8. If I had one million US dolars, I would buy more parks in our city.

9. Ngoc’s mother is unhappy. If Ngoc tidied her room every day, her mother wouldn't be so upset.

10. there isn’t a garden at our house. If there were, we would grow vegetables.

1.If we recycle more, we will help the earth.

2. Factoties won't dump waste into the rivers if the government fines them heavy.

3. If people travel to work by bus, there will be fewer cars fumes.

4. We will save thousands of trees if we don't waste paper.

5. If we use waste water carefully, more peope will have fresh water.

6. If you were the president, what would you do?

7. They get sick so often. If they exercise more, they will be healthier.

8. If I had one million US dolars, I would buy more parks in our city.

9. Ngoc’s mother is unhappy. If Ngoc tidied her room every day, her mother wouldn't be so upset.

10. there isn’t a garden at our house. If there were, we would grow vegetables.

Rewrite the following sentences using the first confidential sentences.

3. The servant will come when you ring the bell.

If............................YOU RING THE BELL , THE SERVANT WILL COME..................................

7. People will travel more by public transport. The exhaust fumes in big cities will be reduced.

If...................PEOPLE TRAVEL MORE BY PUBLIC TRANSPORT , THE EXHAUST FUMES IN BIG CITIES WILL BE REDUCED..........................................

8. We start at 6.00. We will arrive there before noon.

If................WE SART AT 6.00 , WE WILL ARRIVE THERE BEFORE NOON......................................

9. The boy eats so many green apples. He will be ill.

If.................THE BOYS EAT SO MANY GREEN APPLES , HE WILL BE ILL...........................................

10. You join an English speaking club. Your speaking skill will be improved soon.

If............You join an English speaking club , Your speaking skill will be improved soon.............................................

11. Try harder and yoy will succeed.

If....................YOU TRY HARDER , YOU WILL SUCCEED.............................................

12. Take an umbrella or you will get wet.

If..................YOU TAKE AN UMBRELLA , YOU WON'T GET WET.........................................

13. Hurry and you will catch the bus.

If................YOU HURRY , YOU WILL CATCH THE BUS....................................................

14. Go out with me and you will feel at ease.

If....................YOU Go out with me , you will feel at ease.................................................

15. Read this book and you will get a lot of information.

If..............YOU Read this book , you will get a lot of information........................................

16. Join us and you will enjoy yourself.

If....................,.YOU .............................Join us , you will enjoy yourself..................

17. Ask him for advice and you will find a way out.

If..............YOU Ask him for advice, you will find a way out.....................................................

18. Work harder or you will fair the exam.

If...........YOU DON'T Work harder , you will fair the exam..........................................

19. Go right now or you will be late for school.

If.................YOU DON'T Go right now , you will be late for school..............................................

20. Take a rest or you work will tire you.

If.................YOU DON'T TAKE A REST , YOUR WORK WILL TIRE YOU...............................................

21. Hurry or you won't be able to catch the bus.

If...............YOU DON'T HURRY , you won't be able to catch the bus. , .................................................

22. Phone her or she won't come.

If...................YOU DON'T PHONE HER ,SHE WON'T COME............................................

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

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

2. Factories (not dump) ____won't dump_______waste 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 you (be) ______were_______ the president, what would you do to help the environment ?

7.They get sick so often.If they exercised more, they (be) ______would be_____ heathier. 8.If I (have) _____had____ 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) __wouldn't be__so upset.

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

Fill in each number blank with a suitable word:

People will not use electricity (1)..........too..........much, they will prefer solar energy.

Cars will be smaller and (2).........more.............sophisticated than today.

Robots will do (3)..............lots............of the housework.

Plane tickets won't be so (4).........expensive.......and people will travel a lot.

Children will (5)........be given.........classes by computer.

People will (6).........build............hotels on the Moon.

People will (7)........spend............their holidays on the Moon.

People will (8).......live.........in beautiful big house.

In the future smart houses will improve our (9).........conditions...........of life.

People won't worry (10)............about...........watering plants.

1 very

2 more

3 all

4 expensive

have

have

spend

live

about

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