The document is a lesson plan from an English class at an international school in Cartagena. It focuses on teaching students the perfect verb tenses - past perfect, present perfect, and future perfect. It provides examples of each tense, has students practice identifying the correct tense use in sentences, and includes a homework assignment having students practice using "for" and "since" with time phrases. The overall goal is for students to be able to correctly use the perfect verb tenses.