Intermediate 📐 Grammar · #132 of 305

Prepositions after Adjectives

Many adjectives need fixed prepositions.

Examples

  • good at, afraid of, interested in

Key rules

  • Many adjectives take fixed prepositions
  • Examples: afraid of, good at, interested in, fond of, keen on, proud of
  • After the preposition use a noun or -ing
  • Some change meaning: angry with a person, at a thing

Common mistakes

  • I am interested on music → I am interested in music
  • She is good in maths → She is good at maths
💡 Tip: Learn the adjective and preposition as one block.
Practise this topic in the appPractise Intermediate quiz
← Participle Clauses (Basic)Prepositions after Verbs →

Related Intermediate topics

See all Intermediate grammar lessons →

Present Perfect Continuous

have been + -ing stresses duration up to now.

Past Perfect

had + past participle for an earlier past action.

Past Perfect Continuous

had been + -ing for duration before a past moment.

Future Continuous

will be + -ing for actions in progress at a future time.

Future Perfect

will have + past participle for completion before a future time.

Future Perfect Continuous

will have been + -ing for duration up to a future point.