The document provides details of an English lesson plan for a 4th year secondary class in Argentina. The lesson aims to teach students the future tense using the modal verb "will" in affirmative and negative forms. The plan outlines the goals, language focus, teaching approach, integration of skills, materials, potential problems and their solutions, and assessment. Key points include using pictures and a dialogue activity to introduce "will", a listening activity to practice comprehension, and group work where students write and present dialogues about future technologies.