indifinid articles a/an

they are considered indifinitive articles and are used to intoduce new concpets in a discourse

use ¨a¨only with singular nouns

example

a men

a amrchair

a clock

using phrases in senteces:

my dad is a man tall

i sleep in a chair

I have a small clock

it is dtermined taht introduces a nominal phrase

use ´´an´with words that start whith a vowel sound

Example

an box

an table

an elphant

using phrases in sentences:

a very large box

a very large box

an elephant is very big