1. The document provides a lesson plan for an Advanced Conversation III class at the University of Nariño, including objectives, contents, and activities. 2. The objectives are to use the present perfect and present perfect continuous tenses, gerunds as objects of prepositions, and mixed conditionals. 3. The contents section outlines exercises to practice these objectives, including filling in blanks with verb tenses, writing sentences using gerund phrases, and creating conditional sentences from pictures and examples.