big ⇒ duży
big → bigger → the bigest
good ⇒ dobry
good → better → the best
fast ⇒ szybki
fast → faster → the fastest
little ⇒ mały
little → less → the least
lucky ⇒ szczęśliwy
lucky → luckier → the luckiest
far ⇒ daleko
far → farther → the fartest
bad ⇒ brzydko
bad → worse → the worst
few ⇒ mało
few → fewer → the fewest