Interesting,more interesting, the most interesting
Big,bigger,the biggest
Happy,happier,the happiest
Small,smaller,the smallest
Expensive,more expensive,the most expensive
Thin,thinner,the thinnest
Short,shorter,the shortest
Exciting,more exciting,the most exciting
Fat,fatter,the fattest
Fantastic,more fantastic,the most fantastic
Colourful,more colourfoul,the most colourful
Young,younger,the youngest
New,newer,the newest
Delicious,more delicious,the most delicious
Old,older,the oldest
