This document defines and provides examples of different types of clauses, with a focus on noun clauses. It defines a noun clause as a dependent clause that functions similar to a noun by acting as a subject, object, or complement. The document then discusses the different grammatical functions that noun clauses can serve, including as a subject, subject complement, direct object, object complement, prepositional complement, adjective phrase complement, and appositive. Examples are provided for each grammatical function.