The document discusses the comparative and superlative forms of adjectives in English. It explains that one-syllable adjectives form the comparative with "-er" and superlative with "the most," while two-syllable adjectives ending in "-y" add "-ier"/"-iest" and others use "more"/"most." Irregular adjectives like "good" and "bad" also have unique forms. Examples are provided to illustrate how to build the comparative and superlative of both short and long adjectives.