Comparative and Superlative Form (-er / -est)
one-syllable adjectives (clean, new, cheap)
two-syllable adjectives ending in ‘-y’ or ‘-er’
Positive Comparative Superlative
small smaller (the) smallest
easy easier (the) easiest
clever cleverer (the) cleverest
Note: there are some exceptions to this rule about two-syllable adjectives.
For example:
Positive Comparative Superlative
quiet quieter quietest
simple simpler simplest
narrow narrower narrowest
Exceptions in spelling when adding ‘-er / -est’:
silent ‘e’ is dropped → late - later - latest
final ‘y’ after a consonant becomes ‘i’ → happy - happier - happiest
final consonant after short, stressed vowel is doubled → hot - hotter
- hottest
Comparative and Superlative Form (more / most)
adjectives of three or more syllables (and two-syllable adjectives not
ending in -y / -er)
Positive Comparative Superlative
difficult more difficult (the) most difficult
Some other adjectives have irregular comparative and superlative forms:
Positive Comparative Superlative
good better best
bad worse worst