attractive
more attractive - the most attractive
Bad
worse - the worst
hot
hotter - the hottest
carefully
more carefully - the most carefully
big
bigger - the biggest
clean
cleaner - the cleanest
beautiful
comparative - the most beautiful
quiet
quieter - the quietest
healthy
healthier - the healthiest
fast
faster - the fastest
nice
nicer - the nicest
crowded
more crowded - the most crowded
famous
more famous - the most famous
interesting
more interesting - the most interesting
little
less - the least
ugly
uglier - the ugliest
far
comparative - farther/further; superlative - the farthest/furthest
slowly
more slowly - the most slowly