Grammar : First conditional
First conditional sentences describe real possibilities. Use the present tense in the if clause(the condition). Use will in the main clause.
If we take public transportation, we’ll save money.
If we take public transportation, we won’t get stressed out.
Air pollution will get worse if we don’t reduce the number of cars.
Use modals such as may, might, or could in the main clause when you’re less certain about the results.
If air pollution gets worse, more people may get sick.
If you don’t fix your leaky faucet, you might get a high water bill.
You could spend money on other things if you grow your own food.