Hot - hotter - the hottest

Long - longer - the longest

Short - shorter - the shortest

Clever - cleverer - the cleverest

Silly - sillier - the silliest

Great - greater - the greatest

Red - redder - the reddest

Black - blacker - the blackest

White - whiter - the whitest

Thin- thinner - the thinnest

Thick- thicker - the thickest

Fat- fatter - the fattest

Nice- nicer- the nicest

Warm- warmer - the warmest

Cold- colder - the coldest

Merry- merrier - the merriest

Small- smaller - the smallest

Tall- taller - the tallest

High- higher - the highest

Weak - weaker - the weakest

Strong- stronger- the strongest

Heavy- heavier - the heaviest

Light- lighter - the lightest

Green- greener- the greenest

Dry- drier - the driest

Clean- cleaner - the cleanest

Dirty - dirtier- the dirtiest

Wide - wider - the widest

Deep- deeper - deepest

Brave- braver - the braves