Comparison Of Adjectives (Cl-3)

A) When the Positive ends in "y", the "y" is changed into "i" before adding "er" and "est".
              Positive     Comparative     Superlative
1)           happy         happier               happiest
2)           easy           easier                  easiest
3)           heavy         heavier                heaviest
4)           merry         merrier                merriest
5)          wealthy       wealthier             wealthiest

B) When the Positive is a word which has a short vowel, the consonant is doubled before adding "er" and "est".
             Positive     Comparative     Superlative
1)          red             redder                 reddest
2)          big             bigger                  biggest
3)          hot             hotter                  hottest
4)          thin            thinner                 thinnest
5)          sad            sadder                 saddest

C) In some Adjectives we simply add "more" and "most" before the Positive.
           Positive     Comparative     Superlative
1)        beautiful      more beautiful     most beautiful
2)        difficult       more difficult       most difficult