This document contains vocabulary words and grammar lessons related to animals and past tense verbs in Thai for students in Prathomsuksa 6. It includes vocabulary for common pets, sizes, and verbs for finding or losing animals. Examples are provided for each vocabulary word. The document also covers past simple tense grammar, including its use, irregular verbs, questions, and negatives. It provides examples of using past tense to talk about completed actions and habitual past actions. There are also exercises for students to practice the vocabulary and grammar through true/false questions, making missing pet posters, and doing a role play about a TV show about lost pets.