Sue has been doing the same job for a very long time. Every day she does exactly the same thing again and again. She doesn't enjoy it any more and would like to do something different.
Sue's job is boring.
Sue is bored ( with her job).
Someone is -ed if something (or someone) is ing. or, if something is -ing, it makes you -ed. So:
Sue is bored because her job is boring.
Sue's job is boring, so Sue is bored. ( not ' Sue is boring')
Someone is interested because something ( or someone) is interesting.
Paul is interested in music. (not 'interesting in music')
Paul finds music interesting.
Are you interested in buying the house?
Did you meet anyone interesting at the party?
Someone is surprised because something is surprising.
Everyone was surprised that the boy could lift up that heavy stone.
It was quite surprising that the boy could lift up that heavy stone.
Someone is disappointed because something is disappointing.
The coach was disappointed with the team's performance. He expected it to play much better.
The team's performance was disappointing. The coach expected it to play much better.
Someone is tired because something is tiring.
He is always very tired when he gets home from work.
He has a very tiring job.
For your reference, we provide you with the most popular adjectives ending in 'ing' and 'ed'.
Choose the right adjective in the bracket.