fast - faster - the fastest
bad - worse - the worst
slim - slimmer - the slimmest
good - better - the best
beautiful - more beautiful - the most beautiful
interesting - more interestin - the most interesting
funny - funnier - the funniest
old - older/elder - the oldest/the eldest (both are correct)
fast - faster - the fastest
bad - worse - the worst
slim - slimmer - the slimmest
good - better - the best
beautiful - more beautiful - the most beautiful
interesting - more interestin - the most interesting
funny - funnier - the funniest
old - older/elder - the oldest/the eldest (both are correct)