英语写比较级和最高级

strong-stronger-strongest,
happy-happier-happiest,
narrow-narrower-narrowest,
common-more common-most common
careful-more careful-most careful,
tired-more tired-most tired,
funny-funnier-funniest,
early-earlier-earliest,
quickly-more quickly-most quickly,
far-farther-farthest.
badly-more badly-most badly,
slowly-more slowly-most slowly,
little-less-least,
frequent-more frequent- most frequent,
exciting-more exciting-most exciting,
often-more often-most often,
soon-sooner-soonest,
difficult-more difficult-most difficult,
hungry-hungrier-hungriest,
bad-worse-worst,
little-less-least