bad -
worse - the worst
hot -
hotter - the hottest
fast -
faster - the fastest
big-
bigger - the biggest
heavy -
heavier - the heaviest
cold -
colder - the coldest
sunny -
sunnier - the sunniest
old -
older - the oldest
beautiful -
more beautiful - the most beautiful
good -
better - the best
long -
longer - the longest
short -
shorter - the shortest
funny -
funnier - the funniest
interesting -
more interesting - the most interesting
fat -
fatter - the fattest
dangerous -
more dangerous - the most dangerous