This document provides a review and examples of reducing adverb clauses to phrases. It begins by defining different types of adverb clauses, such as time, reason, and opposition clauses. It then explains how to reduce adverb clauses by making the subject of both clauses the same, changing the verb in the adverb clause to a participle form, and optionally removing the subordinator. The document provides examples of reducing various types of adverb clauses like before, after, since, while, as, and because clauses. It also addresses special cases like passive voice, fragments, punctuation errors, and double connectors. In the end, it provides contact information for the author to learn more.