Adjectives and prepositions

We often use about with adjectives of feelings like angry/excited/happy/nervous/sad/stressed, etc. to explain what is causing that feeling.

I’m angry about the decision.
He’s nervous about the presentation.

However, sometimes we use of with feelings.

She was afraid of telling her mum.
I’m frightened of having an accident.

We use at with adjectives like good/bad/amazing/brilliant /terrible, etc. to talk about skills and abilities.


He’s really good at English.
She’s amazing at the piano.