why we use a, an and the

Hello,

Articles are words which modify the noun, indicating its specificity. A, an  and the are articles in English grammar.
 

A/an is used to modify non-specific or non-particular nouns while the is used to refer to specific or particular nouns. We call the the definite article and a/an the indefinite article.

 

Instances of the same are:

1.  A boy went running to his mother;

2.  A new cook was hired in the restaurant today;

3.  An apple a day keeps the doctor away;

4.  You should carry an umbrella for it might rain in the evening.

 

Further explaining the concept, the is used to refer to a particular or specific member of a group. On the other hand, a/an is used for non-specific or non-particular member of group.

 

For instance:

1.  The sun rises in the east;

2.  The public library would be closed this Sunday;

3.  I wanted to watch the match yesterday night;

4.  Could you pass me the apple pie?

 

Hope the above explanation fulfilled your query.

Happy surfing!