I hated English class, but I can still post a cohesive sentence and know how to make paragraphs so that people's eyes don't bleed trying to read a wall of trxt.
This is a forum where ideas, questions, etc are expressed in written text. Because of this it is important you use at least some common sentence and paragraph structure, otherwise many people will ignore you because they aren't going to take the time to decipher your run-on sentences.