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