1. Modify a verb, an adjective, or another adverb
Adverbs
Modify a verb, an adjective, or another adverb

2. Examples She smiled discreetly. She is quite blue.
She smiled very discreetly

3. Categories of Adv Single word
How? In what manner? Under what condition?
Trey ran quickly.
Alexis was not jump-roping
When?
Carter studied yesterday.
Where?
Logan drove here.

4. Phrases and Clauses Why? To what purpose?
She walked to improve her health.
She skipped because she enjoyed the exercise

5. Identifying an Adv
Test of movability: if you can move the word (or phrase or clause) without changing the meaning, it is probably an adverb.
She walked quickly.
She quickly walked
She walked yesterday
Yesterday she walked