This document provides a lesson on singular and plural nouns in English. It defines nouns and gives examples of common rules for forming plurals in English by adding -s, -es, or -ies depending on whether the singular noun ends in a sibilant sound, x, or y. It also lists some nouns that have irregular plurals and those that remain the same in both singular and plural form. Worksheets are included to practice matching singular and plural nouns.