The superlative degree is formed by:

1. Adding -est to one syllable adjectives

Examples:

• tall - taller - tallest

• short - shorter - shortest

2. Adding -st to adjectives that end in -e

Examples:

• brave - braver - bravest

• fine - finer - finest

3. Writing the last consonant twice then adding -est for adjectives with a single short vowel ending in a single consonant

Examples:

• big - bigger - biggest

• fat - fatter - fattest

4. Changing y to i then adding -est to adjectives that end in -y

Examples:

• funny - funnier - funniest

• busy - busier - busiest