Articles and Demonstratives

These are the INDEFINITE ARTICLES

• Zero article

• a/an

• The

These articles are only used before a SINGULAR NOUN

• zero article

• a/an

• the

Answer explanation

I am selling a cellphone.

(cellphone is singlar)

____ book is ____ instrument made to learn.

• a....an

• an....a

• the....an

Answer explanation

We are refering to the books in general so we used the articles a/an.

I have ____ friend whose name is Margarita.

• a

• the

• an

Answer explanation

When we talk about something or someone for the first time we use articles a/an.

We use this article when we talk about plural things in general.

• the

• a/an

• zero article

Answer explanation

Birds often travel long distances.

(we use no article because we are talking about somehting in general)

____ Libraries are spread all over the country.

• The

• a/an

• zero article

Answer explanation

We use zero article because we are talking about libraries in general

He always buys ____ chocolates to eat after dinner.

• a/an

• zero article

• the

Answer explanation

we use zero article because we are mentioning this for the first time.

These article is used to talk about singular, plurals and non-count nouns.

• The

• zero article

• a/an

Answer explanation

-The apple

-The apples

-The sugar

Where is ____ dog you adopted?

• a

• zero article

• the

Answer explanation

We use THE because we are talking about a dog in specific.

What dog? The dog you adopted.

Is this ____ new teacher that had to come?

• a

• the

• zero article

Answer explanation

We use THE bceause we are talking a person in specific.

What teacher? the one that had to come.