Answer:
1.harder, hardest
2.faster, fastest
3.earlier, earliest
4.harder, hardest
5.higher, highest
6.sweeter, sweetest
7.more frequent, most frequent
8.quicker, quickest
9.lazier, laziest
10.more diligently, most diligently
11.worse, worst
12.better, best
13.farther/further, farthest/furthest
14.
15.less, least
Explanation:
Carry on learning
