This document outlines rules for making nouns plural or possessive in English. It explains that most singular nouns form the plural by adding 's', while nouns ending in s, x, sh, ch add 'es'. Exceptions are provided for nouns ending in consonant+y, f/fe, and vowel+o. Special plural forms are given for man and moose. The document also distinguishes between common and proper nouns, and provides rules for forming both singular and plural possessive nouns.