Express the manner of an action and answer the question “How”. They tell us how, or in what manner, something was carried out, mostly modifying verbs and often found at the end of a clause. Commonly end in -ly
Let us know how often the verb occurs, mostly modifying verbs, appearing right before the main verb in the sentence, answering the question “How often”
Describe the intensity of the verb in the sentence, how much or to what degree, can be low, medium, or high degree, answer the question “How much” or “To what extent”, can modify adjectives and other adverbs, placed before the word they modify