Form the comparative and superlative degrees of comparison from the adjectives: 1.useful; 2.large; 3.far; 4.hot; 5.bad; 6.sly, 7.short.

Useful- more useful-the most useful
large-larger-the largest
far-farther-the farthest
hot-hotter-the hottest
bad-worse-the worst
sly-slier-the sliest
short-shorter-the shortest

1 useful - more useful - the most useful (полезный)
2 large - larger - the largest (большой)
3 far - fa(u)rther - the fa(u)rthest (далёкий)
4 hot - hotter - the hotest (жаркий)
5 bad - worse - the worst
6 sly - slier - the sliest (хитрый)
7 short - shorter - the shortest (короткий)