The document discusses the 8 types of adverbs in English: adverbs of time, place, frequency, manner, degree, reason, interrogative adverbs, and relative adverbs. It provides examples for each type to illustrate how they add information about when, where, how often, how, how much, why, and connective relationships. The types of adverbs are defined based on the questions they answer (time, place, frequency, etc.) and their grammatical functions in sentences.