• ​add -est at the of the adjective. example: bigger-biggest​

• In the superlative​ degree some adjectives uses the following rule: adding most before the adjective.

  example: more important- most important​

​Superlative

• add -er to the end of the positive adjective

  example: big- bigger​

• some adjectives uses the following rule: adding more before the adjective in the comparative degree.

  example: important- more important​

​comparative

comparisons of adjectives