This document discusses finite and non-finite verbs. Finite verbs are limited by the number, person, and tense of the subject. Non-finite verbs are not limited in this way. The three types of non-finite verbs are infinitives, gerunds, and participles. Infinitives use "to" and act like nouns, adjectives or adverbs. Gerunds end in "-ing" and act like nouns. Participles can be present or past tense and act like adjectives, with present participles ending in "-ing" and past participles ending in "-ed", "-d", "-t", "-en", or "-n". Examples of each are provided.