Два упражнения.
Exercise 5. Fill in the gaps with the verbs in the Future Simple.
1. The climate _(to change) if we pollute the air.
2. We _(to cut down) more forests if we don’t recycle paper.
3. _ people _(to leave)the glass bottles in the forest? 4. Hunters _(to disturb)animals.
5. Industrial enterprises _(not / to pollute)water.
6. _children _( to feed) birds ?
7. _we _(to continue) to damaged nature?
8. Why _ people _(to cut down)trees?
9. If we have more cars, they _(to spoil) the air.
10.If we don’t recycle litter, our planet _(to become) a big junkyard.

Exercise 6. Fill in the gaps with the right form of the verb using Conditional I.
1. If we _ (not to throw) away litter, it (help) to reduce pollution.
2. If boys and girls _ ( to collect) paper, cans, carton, it _ (to
help) to reuse the amount of rubbish.
3. If people _ (to reduce) the consumption of electricity and water, it
_ (to help) to economize them.
4. If children _ (not to put) litter in a bin, it _ (to spoil) the
environment.
5. If we _ (to organize) environment groups and organizations, they
_ (to help) not to destroy wildlife.
6. If she _ (to raise) money to save animal, she _ (to help) to
care them.
7. My friend _ (not to leave) the fire in the forest, it _ (to
help) him not to spoil forest.