Comparative and superlative

Comparative and superlative

What are the rules?

comparativesuperlative
1 syllable

high
hot
(consonant-vowel-consonant)
double last consonant
higher
hotter
the highest
the hottest
2 syllables -y
happy
happierthe happiest
2 syllables
modern
more modernthe most modern
3 or 4 syllables
dangerous
more dangerousthe most dangerous

Let’s not forget the irregular forms.

adjectivecomparativesuperlative
goodbetterthe best
badworsethe worst
farfarther/furtherthe farthest/furthest