This document provides information about phrases and clauses. It defines a phrase as a group of related words that does not contain both a subject and verb and cannot stand alone as a sentence. A clause is defined as a group of words containing both a subject and verb, and can stand alone as a sentence if it is an independent clause. The document discusses different types of phrases such as prepositional, adjective, and adverb phrases. It also discusses independent and dependent (subordinate) clauses.