This document discusses comparatives and superlatives of adjectives and comparisons of nouns. It provides rules for forming comparatives and superlatives with one-syllable and two-syllable adjectives. It also explains how to use "more...than" to compare plural nouns and uncountable nouns and "the most" to indicate the superlative of plural nouns and uncountable nouns. Examples are given to illustrate comparative and superlative forms of adjectives and the use of "more...than" and "the most" in comparisons involving nouns.