There is/There are

"There is" and "there are" are used in English to express the existence or presence of something, similar to the verb "haber" in Spanish, but with the distinction between singular and plural. "There is" is used with singular nouns, while "there are" is used with plural nouns.

"There is" 

Affirmative:

 There is + sustantivo singular

Negative:

 There is + not (There isn't) + sustantivo singular

Interrogative:

 Is there + sustantivo singular + ?

"There are"

Affirmative:

 There are + sustantivo plural

Negative:

 There are + not (There aren't) + sustantivo plural

Interrogative: 

Are there + sustantivo plural + ?

Short Answers 

(+)

Yes,There is / yes, There are 

(-)

No, There isn’t/ No, There aren’t

EXAMPLES

THERE IS

+

 There is a book on the table.

 (Hay un libro en la mesa.)

-

 There isn't a pen in my bag.

 (No hay un bolígrafo en mi mochila.)

?

 Is there a cat in the garden? 

(¿Hay un gato en el jardín?)

THERE ARE

+

 There are two apples in the basket.

 (Hay dos manzanas en la cesta.)

-

There aren't any students in the classroom.

 (No hay ningún estudiante en el aula.)

?

 Are there many cars on the street?

 (¿Hay muchos coches en la calle?)

Alberto Morales Beltrán