- Adjectives ending in "-ed" describe feelings and are used to talk about how people feel, such as "bored", "tired", and "surprised".
- Adjectives ending in "-ing" describe things and situations and are used to characterize nouns, like "boring" lecture, "tiring" trip, and "shocking" news.
- Some adjectives have both "-ed" and "-ing" forms to describe feelings and situations respectively, such as "bored/boring", "tired/tiring", and "surprised/surprising".