This document discusses adverbs of frequency and their usage. It provides examples of common adverbs of frequency like always, usually, often, sometimes, rarely and never. It explains that adverbs of frequency come after the verb "be" and before other verbs. Examples are given like "She is sometimes late" and "She often checks her answers." Students are provided exercises to practice using adverbs of frequency correctly, including describing their own study habits and asking questions about frequency using "how often."