Hi Magic79. No, it is not wrong ot unusual. The difference between them has been debated here many times, I guess.
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Magic79IF-Clause Result ClauseHere the narrator makes some kind of prediction or expresses his opinion on it. He might improve or not.
If he reads a lot, his English WILL improve.
Magic79
Magic79Books and websites ignore BE GOING TO which make it look as if it is wrong or unusual to use it in the result clause.I would say that it's a little less usual to use be going to in that situation, yes. Maybe it's because be going to suggests planning, and when you're trying to connect a condition to a result as if it were a natural law, p