This document discusses gerunds and their usage. It begins by defining a gerund as a verbal ending in "-ing" that functions as a noun. It then lists several functions of gerunds including as the subject of a verb, direct object, object of a preposition, after possessive nouns, and after certain verbs. Several examples are provided to illustrate gerunds functioning as subjects, direct objects, and objects of prepositions. The document concludes by listing six functions of gerunds and providing additional examples.