степени сравнения прилагательных long longer the longest
1.bright
2. difficul
3.happy
4.lazy
5.hot
6.big
8/silly
9.interesting

bright-brighter-the brightest
difficult-more difficult-the most difficult
happy-happier-the happiest
lazy-lazier-the laziest
hot-hotter-the hottest
big-bigger-the biggest
silly-sillier-the silliest
interesting-more interesting-the most interesting