Prepositions with Adjectives: Good At, Interested In, Afraid Of

Many adjectives take a fixed preposition. Learn the pair, not the adjective alone.

• good at: She's good at maths.
• interested in: I'm interested in history.
• afraid of: He's afraid of dogs.
• proud of, fond of, full of
• keen on, famous for, responsible for
• similar to, different from (AmE also than / to)
• angry with a person, angry about a situation
• worried about, sorry for / about

After the preposition: a noun or -ing: interested in learning English, not interested in learn.