1. Before the names of countries, cities, streets, continents, lakes, mountains,etc

-I’m from _____Perú, I live in ______Trujillo

-I come from ______Britain

x x

x

2. To refer to something which has already been mentioned

I have two brothers, the older is Juan and the younger is Paul.

I have got a dog and a cat. The dog is very fat and the cat is

thin.

Definite article

3. Before uncountable, plural and often abstract nouns when we are talking about

things in general.

Friendship lasts forever.x

Dogs are very loyal and smart.x

4. Before singular nouns when we are presenting new information

She is my mother, she is an engineer.

I have a new cell phone.

He is an English teacher.

There is a new radio in the classroom.

Indefinite article

5. Is also used regularly before certain geographical features, including the names of seas , oceans, rivers, mountains ranges and group of islands.

The Pacific ocean, is one the most beautiful.

Definite article

The river Thames is in London.

6. Before singular/ plural nouns when we are talking about something familiar to both the speaker and the listener

A.Where is the class room?

B: It’s on the ground floor.

A: Where are the books?

B: they are on the table.

Definite article

7. To refer to objects we regard as unique.

Definite article

The Earth is our planet.

The Moon is as beautiful as the Sun.