When to use The article in English with Spanish translation.

Here are some of the common rules that can apply “The” article in English. I also provided the Spanish translation as well.

01-When talk about things that already mentioned.

There is a girl, and the girl eats apples.
Hay una niña, y la niña come manzanas.

She lives in a flat. The flat is far from here.
Ella vive en un piso. El piso está lejos de aquí.

02- There is only one thing of something at given place.
where is the garage ?
Dónde está el garage ?
Did you close the door?
¿Cerraste la puerta?

03- To refer specific non-count nouns

Pass the salt to dad.
Pásale la sal a papá.
Waiter, please empty the water in my bottle.
Camarero, por favor vacíe el agua de mi botella.

04- To refer specific countable nouns.

She sits on the couch and turns on the television.
Ella se sienta en el sofá y enciende la televisión.

05- To refer unique people

The pope visited Rome.
El Papa visitó Roma.
The president is resigned.
El presidente está renunciado.
The boss came to the office.
La jefa vino a la oficina.

06- To refer objects that are unique.

The sun
The sun is shining.
El sol está brillando .
The Moon
The moon is so bright.
La luna es tan brillante.
The Internet
The internet is free.
Internet es gratis (excepción)

07- Before superlatives

She is the tallest girl in the class, and she is the strongest too.
Es la chica más alta de la clase y también la más fuerte.
Bananas are the best fruit in the world and the cheapest fruit in many parts.
Los plátanos son la mejor fruta del mundo y la fruta más barata en muchas partes.

08 -Before ordinal numbers.

This is the first time.
Esta es la primera vez.
It was the second time that she was late to work.
Era la segunda vez que llegaba tarde al trabajo.

09- With clauses that introduced by only.

You are the only one for me.
Eres el único para mí.
She is the only good girl that I know.
Ella es la única chica buena que conozco.

10- When taking about decades.

In the 1920s motor car was invented.
En la década de 1920 se inventó el automóvil.
In the 1960s death metal was found by Motorheds.
En la década de 1960, Motorheds descubrió el death metal.

11 — The oceans

The Pacific Ocean is colder than the Indian Ocean.
El Océano Pacífico es más frío que el Océano Índico.

12- The deserts

The Sahara desert has no reptiles.
El desierto del Sahara no tiene reptiles.

13- To talk about points of the globe.

The Southpole is emptier than the Northpole.
El Polo Sur está más vacío que el Polo Norte.

14- To talk about islands, islands as a group.

The Solomon Islands

15- Countries with collction of states

The United Kingdom is not part of the European union anymore.
El Reino Unido ya no forma parte de la Unión Europea.
The United States is the most powerful country in the world.
Estados Unidos es el país más poderoso del mundo.

16- The name of newspapers.

The king reads the Dailynews every day.
El rey lee el Dailynews todos los días.
The Washington Post is a weekly newspaper.
El Washington Post es un periódico semanal.

17- Before the name of building and structures.

The Empire State Building.
The World Trade Center.
The Great Wall of China.
The Statue of Liberty.