This document provides an overview of adverb phrases in English. It begins by defining what an adverb phrase is - two or more words that work together as an adverb. It then reviews common adverbs of manner and frequency. The bulk of the document explores how adverb phrases are used to modify verbs, adjectives, other adverbs and phrases. It provides many examples and exercises for learners to practice identifying and using adverb phrases correctly in sentences. The goal is to help advanced English learners expand their use of adverb phrases to express time, place, manner and other details at a sophisticated level.