Kurut
If we ______ biodiversity, many species would survive.
a) protect
b) protected
c) will protect
b) protected
If governments ignored activists, environmental problems ______ worse.
a) become
b) became
c) would become
c) would become
If oil exploration stopped completely, pollution ______.
a) would decrease
b) decreased
c) will decrease
a) would decrease
If oil exploration had stopped earlier, the ecosystem ______.
a) would recover
b) would have recovered
c) recovered
b) would have recovered
If carbon dioxide emissions ______ (fall), the climate ______ (improve).
fell / would improve
If companies ______ (stop) oil exploration, the environment ______ (become) cleaner.
stopped / would become
If governments had acted responsibly, environmental damage ______ smaller.
a) would have been
b) would be
c) was
a) would have been
If governments ______ (protect) natural lands, biodiversity ______ (increase).
protected / would increase
If people ______ (care) more about the planet, deforestation ______ (decrease).
cared / would decrease
If leaders ______ (listen) to scientists, pollution ______ (decrease).
had listened / would have decreased
Use the correct form of the verbs in brackets.
If governments ______ (protect) natural lands earlier, biodiversity ______ (not disappear).
had protected / wouldn’t have disappeared
Use the correct form of the verbs in brackets.
If companies ______ (reduce) carbon dioxide emissions, the climate ______ (improve).
had reduced / would have improved
Use the correct form of the verbs in brackets.
If people ______ (stop) deforestation, many animals ______ (survive).
had stopped / would have survived
If activists ______ (not take) legal action, the land ______ (be destroyed).
hadn’t taken / would have been destroyed
If people had protected biodiversity, many species ______ extinct.
a) wouldn’t become
b) wouldn’t have become
c) didn’t become
b) wouldn’t have become
Rewrite the sentences using the second conditional.
People cut down too many trees, so animals lose their habitats.
If people didn’t cut down so many trees, animals wouldn’t lose their habitats.
Rewrite the sentences using the second conditional.
Activists don’t speak out, so problems remain unsolved.
If activists spoke out, problems wouldn’t remain unsolved.
Rewrite the sentences using the second conditional.
Leaders ignore climate change, so carbon dioxide emissions increase.
If leaders didn’t ignore climate change, carbon dioxide emissions wouldn’t increase.
Rewrite the sentences using the second conditional.
People waste natural resources, so the planet suffers.
If people didn’t waste natural resources, the planet wouldn’t suffer.
Rewrite the sentences using the second conditional.
Governments don’t support environmental laws, so nature is damaged.
If governments supported environmental laws, nature wouldn’t be damaged.
Rewrite the sentences using the third conditional!
The company polluted the river, so the water became unsafe.
If the company hadn’t polluted the river, the water wouldn’t have become unsafe.
Rewrite using the second conditional!
Governments don’t protect natural lands, so animals lose their habitats.
If governments protected natural lands, animals wouldn’t lose their habitats.
Rewrite using the second conditional.
People produce too much carbon dioxide, so the air is polluted.
If people produced less carbon dioxide, the air wouldn’t be polluted.
Rewrite using the third conditional!
Governments didn’t protect the forest, so animals lost their habitats.
If governments had protected the forest, animals wouldn’t have lost their habitats.
Rewrite using the third conditional!
Companies produced too much pollution, so the river became contaminated.
If companies hadn’t produced so much pollution, the river wouldn’t have become contaminated.