Adjectives derived from verbs are formed by adding –ing or –ed to the verbs.

–ed/–ing: amazed/amazing, annoyed/annoying, damaged/damaging, decayed/decaying,interested/interesting

            –ed: the escaped prisoners, improved version, polluted river.

• We need to get more young people interested in the subject.
• We need to make the subject more interesting to more young people.
• We were totally amazed by the brilliance of the player.
• What an amazing player he was. 
• She was quite annoyed at the way he behaved.
• She found his behaviour quite annoying.
  
• The chunk of meat was completely decayed.
• The smell of decaying meat wafted towards him.
• His health appears badly damaged by excessive smoking.
• Smoking is seriously damaging to his health.