AT
• 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.
- They're terrible at organising anything.
- I'm not very good at drawing.
ABOUT
• We often use 'about' with adjectives of feelings like angry/ excited/happy/nervous/sad/stressed/worried, etc. to explain what is causing that feeling.
- I'm angry about the decision.
- He's nervous about the presentation.
- She's excited about the new job.
- They were worried about the exam.
OF
• However, sometimes we use 'of' with feelings.
- She was afraid of telling her mum.
- I'm frightened of having an accident.
TO
• We can use 'to' to show the connection between people or things.
- He's married to the director.
- I'm addicted to my phone.
• We can also use 'to' to talk about someone's behaviour towards someone else.
- They were really friendly to me.
- Was he nice to you?
Here are some other useful adjectives with prepositions.
FOR
- Exercise is good for you.
- Stress is bad for you.
IN
- She's interested in the project.
- They want someone who's experienced in design.