2complete the sentences with the correct form of the verbs brackets. use the present simple and will. 1 if we (fly) less when we travel, it (reduce) pollution. 6 some endangered species (become) extinct if we (not protect) them. 7 we (not be) late if dad (give) us a lift. 8 if our natural resources (run out), humans (not have) enough energy to survive on earth. 9 more people (have) homes if we (build) larger houses.
6. Some endangered species will become extinct if we don't protect them.
7. We'll not be late if Dad gives us a lift.
8. If our natural resources run out, humans will not have enough energy.
9. More people will have homes if we build larger houses.
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Some endangered species will become extinct if we don't protect them.
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We won't be late if Dad gives us a lift.
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If our natural resources run out, humans won't have enough energy
to survive on Earth.
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More people will have homes if we build larger houses.
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Небольшое правило:
Если предложение стоит перед if, unless, when, мы используем Present Simple.