I . put the verbs in brackets into the correct form

1. If we ( recycly ) ...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 ( he ) .will be............... fewer ear 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

(Vừa nãy nhầm)

I . put the verbs in brackets into the correct form

1. If we ( recycly ) ..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 ( he ) ...would be............. fewer ear 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

don't waste

has walked

will be

play

visited

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.

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.

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.

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?

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?

1:is

will go

2: recycle

will help

3: will save - don't waste

4: will have - use

5: isn't - will be

is - will go

recycle - will help

will save - don’t waste

will have - use

isn’t - will be

1. If it is sunny next week, we will go on a picnic.

(Nếu tuần sau trời nắng, chúng tôi sẽ đi dã ngoại.)

2. If we recycle more, we will help the Earth.

(Nếu chúng ta tái chế nhiều hơn, chúng ta sẽ giúp ích cho Trái Đất.)

3. We will save a lot of trees if we don't waste so much paper.

(Chúng ta sẽ cứu được rất nhiều cây nếu chúng ta không lãng phí nhiều giấy như vậy.)

4. More people will have fresh water if we use less water.

(Sẽ có nhiều người có nước ngọt hơn nếu chúng ta sử dụng ít nước hơn.)

5. If the river isn't dirty, there will be more fish.

(Nếu sông không bẩn, sẽ có nhiều cá hơn.)

1. Is/ will plant
2. recycle/ will help
3. will save/ don't waste
4. will have/ use
5. isn't/ will be

put the verbs in brackets into the correct form

1.We ___will save___(save)thousands of trees if we __keeps___(keep)polluting the environment

2.What ___will happen____(happen) if we ____don't waste_____(not waster)so much paper

3.If we _____don't stop___(not stop)cutting down so many trees,we_____will endanger____(endanger)our oxygen supply

4.If people ____dump___(dump)chemicals into rivers,they___won't be______(not be) able to swim in the future

put the verbs in brackets into the correct form

1.We ___will save___(save)thousands of trees if we ___keep__(keep)polluting the environment

2.What ____would happen___(happen) if we ____didn't waster_____(not waster)so much paper

3.If we ___don't stop _____(not stop)cutting down so many trees,we____will endanger_____(endanger)our oxygen supply

4.If people ____dump___(dump)chemicals into rivers,they_____will not be ____(not be) able to swim in the future

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.

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.