This document discusses gerund phrases and how they function in sentences. A gerund phrase consists of a gerund accompanied by an adjective, adverb, direct object, or prepositional phrase. Gerund phrases function as nouns and can act as subjects, direct objects, objects of prepositions, or predicate nouns. The document provides examples of gerund phrases and their functions, and discusses distinguishing gerund phrases from participial phrases. It also covers using possessive forms with gerund phrases.