1. old-older-oldest.
2. bad-worse-worst
3. difficult-more difficult- the most difficult.
4. large-larger- the largest
5.big-bigger-biggest
6.easy-easier-easiest
7. much-more- the most
8. little-less-the least
9.interesting-more interesting- the most interesting.
1. as fast as
2.not as tall as
3.not as low as
4.as bad as
5.as optimistic as
6. not as windy as
7. as delicious as
8.not as sweet as
9.as brave as
10.not as heavy as