What are adverbs? Adverbs are any words that modify verbs, adjectives, other adverbs, or entire clauses. By definition; a word belonging to one of the major form classes in any of numerous languages, typically serving as a modifier of a verb, an adjective, another adverb, a preposition, a phrase, a clause, or a sentence, expressing some relation of manner or quality, place, time, degree, number, cause, opposition, affirmation, or denial, and in English also serving to connect and to express comment on clause content –In “arrived early” the word “early” is an adverb. -Merriam Webster
There are eight categories of adverbs, all being very different in their usage. For a complete elaboration on adverbs of frequency, place, time, manner, degree, sentence, relativity and interrogation, check out the links beneath: