If the sun is bright, ..., If you have something to eat, ..., If you go to bed earlier, ..., If you take an umbrella today, ..., If you buy a cat or a dog, ... , If the temperature is below 0 Celsius degrees, ..., If you don't have money, ..., If you mix red and blue, ...., If you learn English, ..., If you miss the bus home, ..., If the weather is nice, ....

zero, first conditional

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