Page 26 - Grammar Glow - 7

 When the positive degree of an adjective ends with -y, we drop the -y, and add -ier and

-iest to form the comparative and superlative degrees, respectively.

Positive Comparative Superlative

costly costlier costliest

dry drier driest

wealthy wealthier wealthiest

 When the positive degree of an adjective ends with a consonant and is preceded by a vowel,
we double the consonant, and add -er and -est to form the comparative and superlative,
degrees respectively.

Positive Comparative Superlative

dim dimmer dimmest

sad sadder saddest

thin thinner thinnest

 When the positive degree of an adjective has two or more syllables and do not end in -y or
-er, we add more and most to form the comparative and superlative degrees respectively.

Positive Comparative Superlative

brilliant more brilliant most brilliant

splendid more splendid most splendid

immense more immense most immense

 Some adjectives change completely to form the comparative and the superlative degrees.

They are known as irregular adjectives.

Positive Comparative Superlative

bad/ill worse worst

good/well better best

late later latest

little less least

much/many more most

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