When I finish my work, I will call you
-> If
Don't go out or you will not have enough time to do your test
-> If
Do more exercise or you will not improve your health
-> If you don't
Protect the environment or environmental will be contaminated
-> If
Reduce light pollution or animal will change their behaviour patterns
-> If
Reduce light pollution or animal will change their behaviour patterns
-> If
Decrease water temperature or some aquatic creatures will be unable to reproduce
-> If
Don't increase the water pollution or we will get more sickness
-> If
If I finish my work, I will call you
If you go out, you will not have enough time to do your test
If you don't do more exercise, you will not improve your health
If we don't protect the environment, environment will be contaminated.
If we don't reduce light pollution, animal will change their behaviour patterns
If we don't decrease water temperature, some aquatic creatures will be unable to reproduce
If we increase the water pollution,we will get more sickness.