Объяснение:
В сравнительной степени окончание er.В превосходной степени окончание est
small-smaller-the smallest
big-bigger-the biggest
happy-happier-the happiest
quiet-quieter-the quietest
simple-simpler-the simplest
nice-nicer-the nicest
lazy-lazier-the laziest
heavy-heavier-the heaviest
easy-easier-the easiest
thin-thinner-the thinnest
slow-slower-the slowest
clever-cleverer-the cleverest
funny-funnier-the funniest
