This document summarizes rules for forming comparatives and superlatives in English. It explains how to add "-er" or "more" to adjectives to make comparisons between two things, and how to add "-est" or "most" to make superlative forms referring to the highest degree. Examples are provided for regular rules and irregular forms. Edge cases are also discussed, such as adding double letters or changing word endings when applying comparative or superlative suffixes.

1. Comperatives And Superlatives