This document discusses the rules for forming plural nouns in English. It provides 10 generalizations for making nouns plural, including adding 's', 'es', or changing the word ending. It notes exceptions like nouns ending in 'y' or 'f'. Irregular plurals are also mentioned. Compound nouns and numbers/letters as nouns have special pluralization rules. The document concludes with an activity to practice identifying singular and plural nouns in a newspaper article.