Adverbs are one of the four major word classes, along with nouns, verbs and adjectives. We use adverbs to add more information about a verb, an adjective, another adverb, a clause or a whole sentence and, less commonly, about a noun phrase.
Can you move it carefully? It’s fragile.
Quickly! We’re late.
She swims really well.
Don’t go so fast.
You have to turn it clockwise.
Come over here.
Actually, I don’t know her.
I haven’t seen them recently.
The bathroom’s upstairs on the left.