This document provides information on forming plural nouns in English. It begins by defining singular and plural nouns and then lists 10 general rules for making nouns plural, such as adding 's' for most nouns or 'es' if the singular form ends in s, x, z, sh, or ch. It also notes exceptions like nouns ending in y or f. The document discusses irregular plurals and compound nouns. It concludes by recommending using a dictionary to check plural forms that do not follow the general rules.