This document defines and provides examples of adverbs of frequency in English. It lists the six main adverbs of frequency as always, usually, often, sometimes, rarely, and never. It explains that adverbs of frequency are used to describe how often an action occurs. Examples are provided to demonstrate how the adverbs are placed in affirmative sentences, usually after the subject and before the main verb. Specific uses with the verb "to be" are also explained. The document aims to teach non-native English speakers how to properly use adverbs of frequency in English sentences.