1. A, AN and THE are called ARTICLES
We use a and an with singular nouns that we can count

2. We use a or an when we mention countable noun for
The first time in a context. we use the when the listener or
reader knows which noun we are referring to.

3. We do not use the before proper noun unless the is the
name of something unique .we use a ,an and the with noun
that can be counted or countable nouns . when we mean
some specific group or objects we use the before them .

4. We generally do not use the (identical article)before
Plural nouns when they refer to the whole class is general
and not to any particular member or members
EXAMPLE : you will find a lot of monkeys in this park are a
big nuisance.

5. THE
END