A1 Grammar: Adjectives with Prepositions (about, at, of) — A1 English grammar lesson by Langcom

A1 Grammar: Adjectives with Prepositions (about, at, of)

Raúl Maguiña

Fundador da Langcom | Examinador dos exames de Cambridge e SIELE

setembro 25, 2026

A1✏️ Gramática⏱️ 4 min de leitura📅 Atualizado em setembro de 2026
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In English, many adjectives need a specific preposition to complete their meaning, like happy about, good at, ou scared of. These pairs are fixed, so you must learn them together. For example, you say I am good at sports, e não I am good in sports. The preposition connects the adjective to the thing or action it describes. After these adjective + preposition pairs, you can use a noun or a verb in the -ing form. This helps you express your feelings, skills, or what you like and dislike clearly. Knowing these common combinations will make your English sound more natural and correct, helping you communicate better in everyday situations. This is an important step for A1 learners.

What are adjectives and prepositions?

English words work together in special ways. Sometimes, an adjective and a preposition always go together.

  • An adjective is a word that describes a noun (a person, place, or thing). For example, happy, sad, good.
  • A preposition is a small word that shows the relationship between words. For example, in, on, at, of, about.

When an adjective and a preposition are used together, they form a fixed phrase. You need to learn these pairs.

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When do we use 'about' after an adjective?

Utilizamos about after certain adjectives to talk about feelings for a situation, a person, or an event.

  • happy about: I am happy about my new job.
  • sad about: She is sad about leaving.
  • excited about: They are excited about the party.

When do we use 'at' after an adjective?

Utilizamos at after certain adjectives to talk about skills or abilities. This means what someone is good or bad at doing.

  • good at: He is good at drawing.
  • bad at: I am bad at singing.

When do we use 'of' after an adjective?

Utilizamos of after certain adjectives to talk about fears or when you are tired of something.

  • scared of: Are you scared of spiders?
  • tired of: I am tired of waiting.

What comes after the adjective + preposition?

After the adjective + preposition, you can use different types of words:

  • A noun: She is happy about her birthday.
  • A pronoun: He is good at it.
  • A verb in the -ing form (gerund): They are excited about traveling.

Exemplos

  • I'm sad about leaving.
  • He's good at football.
  • They're tired of living on the island.
  • AJ is excited about having a shower soon.
  • The children are happy about seeing the treasure again.
  • The man is good at flying the helicopter.

Prática

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Erros comuns entre falantes de espanhol

Be careful with these common mistakes:

  • Using the wrong preposition: Spanish often uses different prepositions. For example, "bueno en" translates to good at, e não good in.
    • Incorreto: I am good in English.
    • Correto: I am good at English.
  • Using the base form of the verb: Remember to use the -ing form (gerund) after the preposition.
    • Incorreto: She is excited about go.
    • Correto: She is excited about going.
  • Forgetting the preposition: Some adjectives *must* have a preposition to make sense.
    • Incorreto: He is scared spiders.
    • Correto: He is scared of spiders.

Perguntas frequentes

What is an adjective?

An adjective is a word that describes a noun (a person, place, or thing). For example, happy describes a person, and big describes a house.

What is a preposition?

A preposition is a small word that shows the relationship between a noun or pronoun and another word in the sentence. Examples are at, in, on, of, about.

Do all adjectives need a preposition?

No, not all adjectives need a preposition. Only some specific adjectives are followed by a particular preposition to complete their meaning. You need to learn these common pairs.

Can I use a verb after an adjective + preposition?

Yes, you can! But the verb must always be in the -ing form (called a gerund). For example, I am excited about learning English.

Aulas relacionadas

Sobre o autor: Raúl Maguiña

Raúl Maguiña é diretor da Asociación Educativa Langcom, um centro autorizado de preparação para o Cambridge English em seu país. Com mais de uma década de experiência no ensino de idiomas e em certificações internacionais, ele já ajudou milhares de alunos, professores e instituições de ensino em 25 países a obter as certificações de inglês da Cambridge, IELTS, TOEFL e Michigan.

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