adjective - comparativo - superlativo
tall - taller - the tallest
deep - deeper - the deepest
wide - wider - the widest
cute - cuter - the cutest
sad - sadder - the saddest 
big - bigger - the biggest
fat - fatter - the fattest
happy - happier - the happiest
lazy  - lazier  - the laziest
good - better - the best
bad  - worse - the worst 
much - more - the most 
far - farther - the farthest
old - older - the oldest
hot - hotter - the hottest