Little - less, the least
Intelligent - more intelligent, most intelligent
Large - larger, the largest
Fast - faster, the fastest
Bad - worse, the worst
Cold - colder, the coldest
Dangerous - more dangerous, the most dangerous
Popular - more popular, the most popular
Far - farther, the farthest
Dry - drier, the driest
Expensive - more expensive, the most expensive
Cool - cooler, the coolest
New - newer, the newest
Good - better, the best
Delicious - more delicious, the most delicious
Tasty - tastier, the tastiest
Boring - more boring, the most boring
Rich - richer, the richest
Poor - poorer, the poorest
Hard - harder, the hardest
Soft - softer, the softest
Popular - more popular, the most popular
Famous - more famous, the most famous
Early - earlier, the earliest
Late - later, the latest