Comparison of Adjectives and Adverbs

 

ENGLISH GRAMMAR

There are three degrees of comparison:

positive degree
comparative degree
superlative degree
smart
smarter
smartest
The dog is smart.
The cat is smarter.
The dolphin is the smartest.

In English, short adjectives form the comparative and superlative by adding the endings
-er
-est to the base form (positive degree).
Longer adjectives use more and most:

positive degree
comparative degree
superlative degree

intelligent
more intelligent
most intelligent

The dog is intelligent.
The cat is more intelligent.
The dolphin is the most intelligent.