a / an


He's got a camera. asking a cab window outlook mountains
He’s got a camera. She’s waiting for a taxi It’s a beautiful day


a… = one thing or person:

  • Alice works in a bank.
  • Can I ask a question?
  • I haven’t got a car.
  • There’s a woman at the bus stop.



an (not ‘a’) before a/e/i/o/u:

  • Do you want an apple or a banana?
  • I’m going to buy a hat and an umbrella.
  • There was an interesting programme on TV last night.


We use a/an… when we say what a thing or a person is. For example:

  • The sun is a star.
  • Football is a game.
  • Dallas is a city in Texas.
  • A mouse is an animal. It’s a small animal.
  • Joe is a very nice person.


We use a/an… for jobs etc.:

  • A: What’s your job?
    B: I’m a dentist. (not “I’m dentist.”)
    • “What does Mark do?”  “He’s an enginneer“.
    • Would you like to be a teacher?
    • Beethoven was a composer.
    • Picasso was a famous painter.
    • Are you a student?

She's a dentist


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