light - lighter - the lightest
heavy - heavier - the heaviest
soft - softer - the softest
slow - slower - the slowest
fast - faster - the fastest
easy - easier - the easiest
difficult - more difficult - the most difficult
good - better - the best
bad - worse - the worst
comfortable - more comfortable - the most comfortable
clean - cleaner - the cleanest
cheap - cheaper - the cheapest
dirty - dirtier - the dirtiest
expensive - more expensive - the most expensive
long - longer - the longest
light - lighter - the lightest
heavy - heavier - the heaviest
soft - softer - the softest
slow - slower - the slowest
fast - faster - the fastest
easy - easier - the easiest
difficult - more difficult - the most difficult
good - better - the best
bad - worse - the worst
comfortable - more comfortable - the most comfortable
clean - cleaner - the cleanest
cheap - cheaper - the cheapest
dirty - dirtier - the dirtiest
expensive - more expensive - the most expensive
long - longer - the longest