Question

Adverb
1. What is an adverb?
2. What does an adverb do?

Answer 1

An adverb is a word that modifies a verb. Adverbs often end in -ly, but some (such as fast) look exactly the same as their adjective counterparts.

Step-by-step explanation:

Answer 2

a word or phrase that modifies or qualifies an adjective, verb, or other adverb or a word group, expressing a relation of place, time, circumstance, manner, cause, degree, etc is an adverb. An adverb describes a verb