This document provides rules for making comparisons in English using adjectives and adverbs. It explains that adding "-er" is used to compare one-syllable adjectives, doubling the final consonant is used for some one-syllable adjectives ending in a consonant-vowel-consonant, "ier" is used to compare adjectives ending in "y", and "more" is used to compare adjectives with two or more syllables. It also discusses the exceptions of "good", "bad", "far", and "farther" and provides examples of comparisons using these rules.