This document provides details about an activity to teach 12-year old students about using the simple present tense third person singular correctly. The activity involves a quiz with sentences for students to identify whether the verb used with a third person subject is in the simple present or third person singular form. The purpose is for students to learn when to use the third person singular tense and to enjoy learning through a game. The teacher will first explain the grammar point and check student understanding before having them complete the activity.