tall taller the tellest
beautiful more beautiful the most beautiful
fat fatter the fattest
interesting more interesting the most interesting
nice nicer the nicest
good better the best
bad worse the worst
modern moderner the modernest more modern the most modern
popular more popular the most popular
happy happier the pappiest
big bigger the biggest
cold colder the coldest
slow slower the slowest
expensive more expensive the mostexpensive
easy easier the easiest
importantmore the most
old older the oldest elder the eldest
high higher the highest
long longer the longest
hot hotter the hottest
pretty pretier the pretiest
polite politer the politest more polite the most polite