new-newer-the newest

big-bigger-the biggest

lively-livelier-the liveriest

beautiful-more beautiful-the most beautiful

good-better-the best

impressive-more impressive-the most impressive

big--bigger--the biggest

new--newer--the newest

lively--livelier--the liveliest

beautiful--more beautiful--the most beautiful

good--better--the best

bad--worse--the worst

far--farther--the farthest

impressive--more impressive--the most impressive