Choosing between -ed (bored) and -ing (boring) adjectives
Subject + be + -ed/-ing adjective
Subject + be + not + -ed/-ing adjective
Be + subject + -ed/-ing adjective?
💡 -ed = feeling/state; -ing = causing that feeling.
✓I'm interested in history.
✗I'm interesting in history.
-ed for how you feel.
✓The book is interesting.
✗The book is interested.
-ing for what causes interest.
✓She was surprised by the news.
✗She was surprising by the news.
-ed for the person who feels surprise.