Using Adverbs to Compare

Like adjectives, many adverbs can be used to make comparisons. Adverbs compare the actions of two or more persons, places, or things.
Dan ran fast.
Amy ran faster than Dan.
Noah ran the fastest of all.

Add -er to a short adverb to compare two actions.
Add -est to a short adverb to compare more than two actions.

The words MORE and MOST are usually used to form comparisons with adverbs that end in -ly and with longer adverbs (more than 2 syllables).

Dan ran quickly.
Amy ran more quickly than Dan.
Noah ran the most quickly of all.

Use more to compare two actions. Use most to compare more than two actions. When you use more and most, do not use the