Степени сравнения имён прилагательных: long- good- slim- smart- high- strong- brave- dangerous- little- thim-

Long- longer – the longest
good- better – the best
slim- slimmer –the slimmest
smart- smarter – the smartest
high-higher –the highest
strong-stronger –the strongest
brave-braver –the bravest
dangerous- more dangerous – the most dangerous
little-less-the least
thin-thinner –the thinnest