This document discusses interjections and provides examples of their use. It defines interjections as words or phrases that express strong feelings but have no grammatical connection to the rest of the sentence. Common interjections like "wow", "oh", and "ouch" are presented. The document explains that interjections can stand alone or be used within sentences, and should be punctuated with exclamation points. It provides exercises for readers to identify interjections in sentences and write their own sentences using interjections.