Positive Adverbs

The positive (base) form of an adverb does not make a comparison.

Max plays hard from the first pitch to the last out.

Comparative Adverbs

The comparative form of an adverb is formed by adding er to one-syllable adverbs or the word more or less before longer adverbs.

He plays harder than his cousin plays.

He plays more often than his cousin does.

Superlative Adverbs

The superlative form of an adverb is formed by adding est to one-syllable adverbs or the word most or least before longer adverbs.

Max plays hardest in close games.

Max plays most often in center field.