Big-bigger-the biggest
expensive-more expensive-the most expensive
good-better-the best
bold-bolder-the boldest
tall-taller-the tallest
funny-funnier-the funniest
least farther more не знаю, как делать
late-later-the last
green-greener-the greenest
hard-harder-the hardest
clever-cleverer-the cleverest
beautiful-more beautiful-the most beautiful
young--younger-the youngest
rich-richer-the reachest
и последнее тоже хз как делать