GUIDE
When the adjective ends in -ing
it means that the person or thing causes this particular effect.
- Rules frustrate me. Rules are frustrating.
- My friend Megan interests me. Megan is always interesting.
When the adjective ends in -ed
it means that the person or thing experiences this particular effect.
- Rules frustrate me. I am frustrated by rules.
- My friend Megan interests me. I am always interested when I talk to her.