The document outlines 10 rules for making nouns plural in English. It provides examples of singular nouns and their plural forms. The rules cover adding 's', 'es', changing 'y' to 'i' and adding 'es', adding just 's', changing 'f' or 'fe' to 'ves', adding just 's' or 'es', and some irregular plural forms that stay the same. The purpose is to teach English learners how to form plurals for different types of nouns.