The document discusses gerund phrases and their functions in sentences. It begins by defining a gerund phrase as starting with a gerund (an -ing word) and including other modifiers and/or objects. Gerund phrases always function as nouns, serving as subjects, subject complements, or objects. Examples are provided to illustrate gerund phrases functioning as subjects and subject complements. The document then instructs students to think of gerunds as verb forms that function as nouns, and can be subjects, objects, or complements. It provides additional examples of gerund phrases with objects functioning in different roles in sentences. Finally, it notes gerunds can take adjectives like nouns but generally do not