Comparative
Bad
worse
Swim
Swum
We wear casual/casually clothes to work
Casual
Big
Biggest
Rise
Rose
Calm
Calmer
Bear
Born
Old people often walk very slow/slowly
Slowly
Good
Best
Do
Did
Slow
Slower
Choose
Chosen
The view form the top is incredible/incredibly beautiful
Incredibly
Little
Least
Throw
Threw
Creepy
Creepier
Mistake
Mistaken
My neighbor´s children aren´t very polite/politely
Polite
Expensive
Most expensive
Forgive
Forgave
Sad
Sadder
Forbid
Forbidden
My friend sing very well/good
well
Bitter
Bitterest
Freeze
Froze