If you think grammar mistakes are just for beginners, then think again. Even fluent, confident English users slip up from time to time — especially when speaking fast or writing quickly. The key is to notice  the patterns and fix them one by one. Here are ten common grammar mistakes we hear all the time, even from advanced learners — plus how to get them right every time. 1. "I look forward to meet you" I look forward to meeting you. "Look forward to" is followed by a noun  o