Large - larger - the largest
Old - older - the oldest
Big - bigger - the biggest
Clean - cleaner - the cleanest
Nice - nicer - the nicest
Strong - stronger - the strongest
Brave - braver - the bravest
Wide - wider - the widest
Funny - funnier - the funniest
Little - less - the least
Warm - warmer - the warmest
Good - better - the best