new,newer,newest
good,better,best
strong,stronger,strongest
happy,happier,happiest
big,bigger,biggest
careful,more careful,most careful
important,more important,most important
far,farther/further,farthest/furthest
thin,thinner,thinnest
busy,busier,busiest
delicious,more ...,most
bad,worse,worst
pretty,prettier,prettiest
fat,fatter,fattest
many,more,much
fast,faster,fastest