Kinds of Adverbs; Degrees of Comparison

Short adverbs of one syllable add -er and -est to form their comparative and superlative forms.

The following table will guide you in changing the forms of adverbs:

PositiveComparativeSuperlative
hard harder hardest
high higher highest
fast faster fastest
late later latest/last

Note that almost all adverbs which are also used as adjectives belong to this class. Therefore, you must be very careful in identifying whether the word is an adverb or an adjective.

Adverbs which end in -ly take more and less for the comparative and most and least for the superlative as given below:

PositiveComparativeSuperlative
softly more softly most softly
happily more happily most happily
swiftly less swiftly least swiftly
ably more ably most ably

The adverb early is an exception. Its degrees of comparison are early, earlier, and earliest.

Some adverbs form their comparative and superlative degrees in an irregular manner as given below:

PositiveComparativeSuperlative
badly/ill worse worst
little less least
much more most
well better best