This document summarizes the rules for forming comparative and superlative adjectives in English. It discusses forming comparatives and superlatives for one-syllable adjectives by adding -er and -est. It also covers forming comparatives and superlatives for two-syllable adjectives, adjectives ending in -y, -er, -le, -ow, adjectives with three or more syllables, and irregular adjectives like good, bad, much, and old. Examples are provided to illustrate the rules.