An adjective is a word used to modify a noun. An adverb is a word used to modify a verb. Note that adverbs can also modify adjectives and other adverbs.
- The team did not play (verb) well (adverb) last season. (NOT … did not play good last season.)
- We have not picked nearly (adverb) enough (adjective) yet. (NOT … near enough yet.)
(Enough is an adjective. To modify an adjective we use an adverb, not an adjective.)
- We had a really (adverb) excellent (adjective) time at the party. (NOT … real excellent time.)
(Excellent is an adjective. To modify an adjective, we use an adverb. )
- Alice won (verb) her race easily (adverb). (NOT … won her race easy.)