We use present participles to describe something or somebody. It was a boring film. (What was the film like? Boring.) We use past participles to speak about someone's feelings. We are bored. (How do we feel? Bored.) 1 Jack is scared/scaring of spiders. 2 I find the maths lessons really bored/boring. 3 Tonia is interested/interesting in football. 4 The trip was tired/tiring. 5 I'm disappointed/disappointing in you.