Los Artículos -the, a, an -Inglés Básico

Table of Articles

NUMBER	INDEFINITE	DEFINITE
Singular	a / an	the
Plural	nothing	the
Non-Count	nothing	the

A and AN are called indefinite articles. "Indefinite" means "not specific". Use A(AN) when you are talking about a thing in general, NOT a specific thing. Use A(AN) when talking about a thing which is new, unknown, or introduced to a listener for the first time. Also use A(AN) when you are asking about the existence of something. 

THE is called a definite article. "Definite" means "specific". Use THE when talking about something which is already known to the listener or which has been previously mentioned, introduced, or discussed. You can use THE with both singular nouns and plural nouns.

Singular count nouns:

indefinite: use 'a'

definite: use "the"

My daughter wants to buy a dog this weekend. (Indefinite-Could be any dog)
The dog in the backyard is very cute.(Definite-The one in the backyard) 


He requested a puppy for his birthday.
He wanted the puppy he played with at the pet shop.
She ordered a hamburger without onions.
Did you drink the coke I just ordered? 

Plural count nouns:

Use "the" or Nothing, never 'a'. 

Come and look at the children. (definite)
Children are always curious. (indefinite)
She loves flowers. (indefinite)
The flowers in her garden are beautiful. (definite)
Do you like reading grammar rules?
Do you like reading the grammar rules on this page? 

Non-count nouns:

Use "the" or nothing.

He has experience. (if indefinite or mentioned for the first time)
He has the experience necessary for the job. (if definite or mentioned before)

The medicine the doctor prescribed had unpleasant side effects.
Writing in a second language is especially challenging.
Have you studied the history of South Africa?
History reminds us that events repeat themselves.

Definite Article THE Rules

Adjectives as Nouns

When referring to a group of people by use of an adjective rather than a noun, use "the". 

the elderly	the disabled	the unemployed
the rich	the sick	the needy
the homeless	the young	the restless

Some countries are preceded by "the", usually if the name is plural, contains an adjective, or includes "of".

The United States	The Soviet Union	The Republic of Congo
America	Russia	Spain
Japan	China	Mexico

Cities and Streets use nothing

Chicago	Fifth Avenue	San Francisco
Highway 5	London	Kennedy blvd.

Rivers, Oceans, Seas, Groups of Mountains & Islands use "the"

the Amazon	the Atlantic	the Mediterranean
the Cascades	the Hawaiian Islands	the Bahamas

Numbers

Cardinal numbers(1,2,3) use nothing

World War 2	Page 7	Chapter 1
Mission 1	Paragraph 5	Channel 6

Ordinal numbers (1st,2nd,3rd) use "the"

The Second World War	the seventh page	the first chapter
the first mission	the fifth paragraph	the sixth channel

Titles of People

When a title is given with a name, use nothing 

President Mitchael

Queen Mary

Professor Scott

When a title is used without a name, use "the" 

The president

the queen

the professor

Schools

When a school has "of" in its title, use "the" 

The University of Arizona

The University of London

Chapter 2

When a school does not have "of" in its title, use nothing 

Lincoln High School

Arizona State University

Liverpool John Moores University

When referring to the location, use "the" 

The meeting is at the school. (location-campus)
They are remodeling the movie theater. (location-building)
The new student had trouble finding the class. (location-classroom) 

Unique Objects - Use THE

the earth	the human race	the world
the moon	the sun	the universe

Part of a larger group, Use THE

-One of the students
-None of the students
-Both of the students
-All of the students 

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