Superlatives of adjectives - 3

Adjectives of three syllables or more:
Adjectives with 3 or more syllables: use the most with the unchanged adjective

Some people think that Russian is the most difficult language.
Albert Einstein was the most intelligent person in history.
My most enjoyable class is English.

Irregular forms
Following are two common irregular comparative/superlative forms:

good - better - the best
bad - worse - the worst