The document summarizes the differences between comparative and superlative forms of adjectives in English.
The comparative form is used to compare two people or things and is formed by adding "-er" to short adjectives and "more" to long adjectives. The superlative form is used to compare three or more people or things and is formed by adding "-est" to short adjectives and "most" to long adjectives.
Irregular adjectives have unique forms for the comparative and superlative degrees. The document provides examples of forming comparisons and superlatives with different adjectives.