This document provides information on forming comparatives and superlatives in English. It defines comparatives as comparing two items, such as "A is bigger than B", and superlatives as the highest degree, such as "A is the biggest". It reviews rules for making adjectives comparative and superlative, including adding "-er" and "-est", changing the spelling of adjectives ending in consonant-vowel-consonant, and removing "y" and adding "-ier" or "-iest" for two-syllable adjectives ending in "y". It also discusses using "more" and "most" as well as irregular forms. Examples are provided to illustrate these rules and modifications can