"A" and "an" signal that the noun modified is indefinite,
referring to any member of a group. For example:
"My daughter really wants an horse for Christmas." This
refers to any horse. We don't know which horse because
we haven't found the horse yet.
"Somebody call a policeman!" This refers
to any policeman. We don't need a specific policeman; we
need any policeman who is available.
"When I was at the zoo, I saw a leopard!" Here, we're
talking about a single, non-specific thing, in this case a
leopard. There are probably several leopards at the zoo,
but there's only one we're talking about here.
a + singular noun beginning with a consonant.
I have to a zoo.
He is a boy.
She is driver a car.
This is a little cat sexy.
an + singular noun beginning with a vowel (a,
e, i, o, u). For example:
I’m eating an apple .
He’s an orphan.
In the zoo there an elephant.
Are you an idiot?
With names of jobs:
Caleb is a doctor.
Patricia is training to be an engineer.
She wants to be a singer.
With nationalities and religions:
I am an Englishman.
Katerine is a Catholic.
With musical instruments:
Sherlock Holmes was playing a violin when the
(BUT to describe the activity we say "He plays the
With names of days:
I was born on a Thursday
To refer to a kind of, or example of something:
the mouse had a tiny nose
the elephant had a long trunk
it was a very strange car
With singular nouns, after the
words 'what' and 'such':
What a shame!
She's such a beautiful girl.
meaning 'one', referring to a single object or
I'd like an orange and two lemons please.
The burglar took a diamond necklace and a
A diferencia del castellano, en inglés los
artículos indefinidos no tienen género ni plural
(a book – books; an orange – oranges). Para
decir “unos libros” o “unas naranjas”
An before an h mute - an hour, an honour.
A before u and eu when they sound
like 'you': a european, a university, a unit.
Complete the following sentences with a / an
/ some. If no item, enter "zero".
I am___ English teacher. My sister is___ engineer
in___ factory. We have___ aunt and___ uncle.
They live in___ house with___ beautiful garden. In
their garden there is___ apple tree and___ fig
tree. They have___ daughter. She is___ singer.
Victor have___ university.
My parents are___ artists. They paint___ paintings
and sell them on the Internet. My mother is
also___ art teacher. She works in___ school in the
mornings. My father loves___ flowers and has a
balcony with___ flowerpots.