This document discusses different types of clauses, including independent clauses, dependent clauses, and specific types of dependent clauses such as adverb clauses, noun clauses, and relative clauses. It provides examples and explanations of each clause type. Adverb clauses modify verbs by indicating when, where, why, how or under what conditions. Noun clauses function as subjects or objects within sentences. Relative clauses identify or provide additional information about nouns and can be restrictive or non-restrictive.