COMPARISON OF ADVERBS :

Some Adverbs , like Adjectives , have three degrees of comparison. Such Adverbs are generally compared like Adjective.

If the Adverb is one syllable , we form the comparative by ending er , and the Superlative by adding est to the Positive : as ,

 FAST    FASTER    FASTEST
 LONG  LONGER  LONGEST

HARD   HARDER    HARDEST
SOON   SOONER     SOONEST

-example:
Ram ran fast ( Positive )
Arjun ran faster ( Comparative )
Hari ran fastest of all ( Superlative)

Adverbs ending in ly from the Comparative by adding more and the Superlative by adding most : as

SWIFTLY          MORE SWIFTLY         MOST SWIFTLY
SKILFULLY     MORE SKILFULLY     MOST SKILFULLY.

Abdul played skilfully (Positive)
Karim played more skilfully than Abdul ( Comparative)
Of all the eleven, Ahmed played most skilfully. ( Superlative) .