. Complete the sentences using the correct tense of the verb.1)
. Complete the sentences using the correct tense of the verb.
1) Unless global emissions (to be) _____ reduced, huge areas of land (to be) _____ flooded
and the world economy (to collapse) _____. By 2050 up to one million species (to become)
_____ extinct due to the loss of natural habitats.
2) If only we (to use) _____ the water we need, we (contribute) _____ to our planet's recovery.
3) In case we (to keep on) _____ using more and more cars, we (to run out) _____ of oil.
When (to run out) _____ of oil, we (to need) _____ other kinds of energy.
4) We (to save) _____ thousands of trees if we (not to waste) _____ so much paper.
5) Pollution (to increase) _____ if we (to use) _____ more oil and coal. If pollution (to increase)
_____, more and more trees (to die) _____. The climate (to change) _____ if more trees
(to die) _____.
6) If we (to try) _____ to control pollution, it (be) _____ very expensive. Unless we (control)
_____ pollution soon, it (to be) _____ too late.
7) Providing we (to recycle) _____ more, we (to help) _____ our planet.
8) As soon as people (to share) _____ their cars to go to work, there (not to be) _____ so
many car fumes.
9) Until the government (to fine) _____ those who pollute the atmosphere, some factories
(to stop) _____ throwing waste into rivers.
12. Complete the second sentence with the word in brackets so that it has the same
meaning as the first one. Use from 2 to 6 words.
1) Air pollution can go down by decreasing carbon emissions. (AS SOON AS)
_______ we decrease carbon emissions ___________________.
2) It's unlikely that the impact of global warming will be reduced in the future because we're
not taking action now. (UNLESS)
_______ we __________________ reduce the impact of global warming.
3) Travelling by train produces only 12.5% of the emissions of a flight. (WHEN)
___________________, we only produce 12.5% of the emissions of a flight.
4) You can offset your carbon emissions by paying an organization to reduce CO2 in the
atmosphere. (PROVIDING)
_________________ to reduce CO2 in the atmosphere, you will offset your carbon emissions.
5) Buying food from Africa will make Africans richer. (IN CASE)
________we stop buying ___________________ make them poorer.
6) Only by working together will the situation improve. (UNTIL)
The situation _________________ we all work together.
1) Unless global emissions are reduced, huge areas of land will be flooded
and the world economy will collapse. By 2050 up to one million species will have become extinct due to the loss of natural habitats.
2) If only we used the water we need, we would contribute to our planet's recovery.
3) In case we keep using more and more cars, we willrun out of oil.
When running out of oil, we will need other kinds of energy.
4) We wouldsave thousands of trees if we didn't waste so much paper.
5) Pollution willincrease if we use more oil and coal. If pollution increases, more and more trees will die. The climate will change if more trees
die.
6) If we try to control pollution, it will be very expensive. Unless we control
pollution soon, it will be too late.
7) Providing we recycle more, we will help our planet.
8) As soon as people share their cars to go to work, there won't be so
many car fumes.
9) Until the government fines those who pollute the atmosphere, some factories won't stop throwing waste into rivers.
Ex. 12.
1) Air pollution can go down by decreasing carbon emissions. (AS SOON AS)
As soon as we decrease carbon emissions, air pollution will go down.
2) It's unlikely that the impact of global warming will be reduced in the future because we're not taking action now. (UNLESS)
Unless we take action, we won't reduce the impact of global warming.
3) Travelling by train produces only 12.5% of the emissions of a flight. (WHEN)
When we travel by train, we only produce 12.5% of the emissions of a flight.
4) You can offset your carbon emissions by paying an organization to reduce CO2 in the atmosphere. (PROVIDING)
Providing you pay an organization to reduce CO2 in the atmosphere, you will offset your carbon emissions.
5) Buying food from Africa will make Africans richer. (IN CASE)
In case we stop buying food from Africa, it will make them poorer.
6) Only by working together will the situation improve. (UNTIL)
The situation won't improve until we all work together.
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