Attributive or predictive (pre/ post modification)
Attributive (pre modifiers ) before noun
Predictive (post modifiers) after nouns
Grading
Big , bigger , biggest
Base, relative , superlative
Irregular grading
Fortunate, more fortunate, most fortunate
Base, relative , superlative
Modifiers
Other word classes acting as adjectives
Garden (n) → the garden wall (adj)
Walking (v)→ the walking stick (adj)