This document discusses the pronunciation of verbs in the third person simple present tense. It notes that the ending sound of the verb determines if the verb takes an "s", "z", or "iz" sound when adding the "-s" ending. Verbs ending in unvoiced sounds like "p", "t", "k" take an "s" sound. Verbs ending in voiced sounds like "b", "d", "g" take a "z" sound. Verbs ending in "s", "sh", "ch", "z", "o" take an "iz" sound. It provides examples like "walks", "watches", "brushes" and then practices identifying the sound with additional