This document discusses the use of the Spanish verb "ir" meaning "to go" and its uses with infinitives. It explains that "ir" is used with "a" followed by an infinitive to express the idea of "going to" do something in the future, such as "Yo voy a cantar" meaning "I am going to sing." It provides examples of common Spanish infinitives used after "ir + a" such as "cantar, hablar, tocar la guitarra," and their English equivalents.