long longer the longest.Так же нужно сделать со следующими словами:bright difficult good happy lazy hot bad big silly interesting

bright-brighter- the brightestdifficult-more difficult-most difficultgood-better-(the) besthappy-happier-happiestlazy-lazier-laziesthot-hotter- most hotbad-worse- worstbig-bigger - biggestsilly-sillier-silliestinteresting-more interesting -most interesting