This document discusses cooperative language learning, which involves students working in pairs and small groups. The goals are to provide opportunities for natural language acquisition through interactive activities, enable attention to language structures and functions, and enhance motivation. There are formal and informal group structures, including base groups that last a year. Key elements are positive interdependence, individual accountability, and social skills. The document describes different activity types like team practice, jigsaw, and cooperative projects, and provides examples of cooperative learning activities.