A gerund is a verb form that ends in “-ing” and is used as a noun (walking, traveling, voting); an infinitive is the base form of a verb preceded by “to” (to walk, to travel, to vote). Gerunds and infinitives can function as the subject of a sentence or the object of a verb.
How do you teach the difference between a gerund and an infinitive?
Gerunds are formed by adding –ing to the end of a verb. Some examples are eating, playing, and listening. Infinitives use to before the verb so the examples above would be to eat, to play, and to listen.