The document discusses the rules for forming comparatives and superlatives of adjectives and adverbs in English. It provides examples of how to add "-er" and "-est" to adjectives with one syllable that follow certain spelling rules, how to use "more" and "most" for adjectives with two or more syllables, and how some adjectives are irregular. It also addresses how to form comparatives and superlatives of adverbs by adding "-er" and "-est" or using "more" and "most".