This document discusses phrasal verbs in English. It defines phrasal verbs as idiomatic verb expressions formed by combining a verb with a preposition or adverb. The document explains that phrasal verbs can be divided into three groups: inseparable compounds, separable compounds, and intransitive verbs. It provides examples of common phrasal verbs from each group, such as "look after", "set apart", and "make up". The purpose is to illustrate how phrasal verbs work and provide examples of their usage.