How do you pluralize English?

To pluralize nouns in English, you typically add an "s" to the end of the Word (e.g., "cat" becomes "cats"). If a noun ends in "s," "x," "z," "ch," or "sh," you usually add "es" (e.g., "box" becomes "boxes"). For nouns ending in a consonant followed by "y," you change the "y" to "i" and add "es" (e.g., "baby" becomes "babies"). Irregular nouns may have unique plural forms (e.g., "child" becomes "children").