This document summarizes the rules for using comparatives and superlatives in English. It explains that comparatives are used to compare two things, using suffixes like -er or -ier or words like "more" or "less." Superlatives indicate the highest degree when comparing more than two things, using the suffixes -est or -er and the words "the most" or "the least." It provides examples of applying each rule, such as "Cats are nicer than dogs" as a comparative, and "She is the nicest cat in the world" as a superlative. The document covers irregular forms like "good," "bad," and "far" as well as exercises for students to practice the