Verified answer

long - longer - the longest

short - shorter - the shortest

large - larger - the largest

clever - more clever - the most clever

old - older - the oldest

big - bigger - the biggest

hard - harder - the hardest

easy - easier - the easiest

good - better - the best

bad - worse - the worst

beautiful - more beautiful - the most beautiful

noisy - noisier - the noisiest

busy - busier - the busiest

funny - funnier - the funniest

hot - hotter - the hottest

interesting - more interesting - the most interesting

sad - sadder - the saddest

difficult - more difficult - the most difficult