Comparatives / Superlatives
Adjective
Only one syllable, Examples:
fast, calm, tall, ...
Only one syllable, with one vowel and one consonant at the end. Examples: hot, big, fat, ...
Two syllables, ending in Y. Examples:
happy, friendly, healthy, ...
Comparative
Add -ER: faster, taller,calmer, ...
Superlative
Add -EST: fastest,tallest, calmest, ...
Double the consonant, and add -EST: hottest, biggest, fattest, ...
Change Y to I, then add -EST: happiest, friendliest, healthiest, ...
Use MOST before the adjective: most modern, most interesting, most beautiful, ...
Double the consonant, and add -ER: hotter, bigger, fatter, ...
Two syllables or more, not ending in Y. Examples: modern, interesting, beautifu, ...
Change Y to I, then add -ER: happier, friendlier, healthier, ...
Use MORE before the adjective:more modern, more interesting, more beautiful, ...
Irregular ADJECTIVES
good better best
bad worse worst
Comparatives are used to compare two things. You can use sentences with THAN, or you can use a conjunction like BUT.
Superlatives are used to compare more than two things. Superlative sentences usually use THE, because there is only one superlative. Examples: