ARTICLE: THE: USES OF THE: DETERMINER THE: REPETITION OF ARTICLES: OMISSION OF ARTICLES

• When I was roaming in the garden. I plucked a beautiful flower.
• This is the flower I plucked from the garden. (pointing out referred already)  
• When I was going to market a boy asked me about you.
• This is the boy who was asking about you. (pointing out referred already)

 2. With all the Celestial /Universal / Unique things

•  The earth
• The moon
• The stars
• The oceans

The sun revolves around the earth.

The ocean looks beautiful at the midnight.

3. Before the parts of the days

• The morning
• The evening
• The noon
• The noon shines with the purple rays of the sun.

I’ll return in the evening.

4. With Modern unique things

a. Thousands of students today are having their online classes through the internet.

b. We have arranged a lot of amount for pandemic victims through crowdfunding.

5.. With government/government bodies

(Army /police / navy)

• Takes THE when they are talked as an institute
• The police are performing their duties perfectly well.
• The navy sailed to the north for the next destination.
• I have served in the army for four years.

But we use (a/an) when referring to their characteristics

India has a strong army.

A weak army can be the basic reason for the defeat of any country.  

6. Before all the geographical areas/bodies

a.  Before the mountain ranges

• The Himalayas,
• The Alps

But never use articles before their peaks.

• Mount Everest, Mount Olympus.

b. The names of rivers, seas, deserts

• The Taj is situated on the bank of the Yamuna. 
• London is situated on the bank of the Thames. 
• The Arctic Ocean touches the continents of North America, Europe, and Asia
• The Gobi Desert is called ‘ beast of the desert.

c.  Before the names of states /countries when different entities are grouped together

                           The United States of America (the group of states)

                           The Punjab ( a place of five rivers)

7. When we take Singular Common Noun as a whole class

• The dog is a faithful animal.
• The cow lives on grass.
• The peacock dances gracefully.

8. Before the name of surnames:

• The Sharmas
• The varmas

9. With Proper nouns in some cases

a. When Proper noun is used as a TITLE

• Alexander the great
• The great Ashoka
• Akbar the great

b. When Proper Noun takes the Plural form

• India needs the Bhagat Sings, The Veer Savarkars, the Azads, and the Laxmibais again to make it free from corruption.

c. When Proper Nouns are talked as if Common Noun( adjective of a noun.)

• Kashmir is called the Switzerland of India
• Kalidas is called the Shakespeare of India

10. Before the name of all the religious books

• The Bhagwat Gita, The Quaran Shariff,

11. When the Adjective is talked as if Noun of Multitude

• The rich should help the poor.
• The brave must always protect the weak.

12. Before the double Comparative Degree

• The more you eat the more you will grow fat.
• The higher you go the cooler you will feel.

But not before the single comparative degrees.

• The lotus is more beautiful than the rose.

13. Before the Superlative degrees

• The lotus is the most beautiful among all the flowers.
• Abhishek is the naughtiest boy in the class.

14. Before the names of Newspapers.

• The Times of India
• The Hindustan Times

15. Before the names of all the trains, airplanes, and ships

• The Indian Express
• The Victory
• The Indan Airlines 

16.  ALWAYS USE ARTICLE AFTER ‘ ALL ‘ AND ‘BOTH’

• All the boys in this class are naughty.
• Both the flowers are very sweet.