Is Linking Verb a Phenomenon?

If we use like slang, incorrect grammar like that, and say i'm real happy on part one, how does that affect our score? M if you only said it once and you used the quotation fingers, it would be fine. We're not going to penalize you or a ding your grammar score for something like that. But if you use it accidentally and clearly don't, don't make it clear that it's a little nod to this sort of slang,orrect grammar, then potentially it could lower your score,. Right? At the end of the day, that's all it is. As a grand i want to point out, it actually might be your examiner's pet peeve