This document provides vocabulary and examples for useful expressions involving the word "go" in English. It defines expressions such as "go barefoot", "go well/badly", "going out with" someone, "go home", "go + verb-ing" like "go swimming", "go away", "go up/down", "go in/out", and "go off". Examples are given for how to use each expression correctly in sentences. The document concludes by advising readers to learn expressions by seeing them used in context and to practice using new expressions as much as possible.