The document provides examples of rules for making nouns plural in English. It explains that when a noun ends in 'y', the 'y' is changed to 'i' before adding the '-es' plural suffix. Pictures are included with singular nouns like 'baby' and 'lady' along with their plural forms with answers for students to fill in. More singular nouns ending in 'y' like 'family' and 'enemy' are listed for students to practice changing to their plural forms.