This document discusses the proper use of the words "much" and "many" in grammar. It provides examples of using "much" with uncountable nouns and "many" with plural countable nouns. It also outlines 7 grammar patterns using "much", including to ask about an amount, talk about an amount or degree, talk about small quantities, emphasize comparisons, say something is excessive, say how you feel, and talk about frequencies. It concludes with two exercises applying the rules of "much" and "many".