There is

There is. Frase afirmativa Estructura: There is + Complemento. There is a book on the table. y negativa. Estructura: There is + NOT + Complemento. There is not a book on the table.  Pregunta afirmativa Estructura: Is there + Complemento? Is there a book on the table? y negativa Estructura: Is there + NOT + Complemento? Isn’t there a book on the table? 

There is = hay (singular).

Se refiera a la existencia o disponibilidad de un objeto, situación o elemento.

a) Frase afirmativa.

      1                 2               

There is  +  Complemento.

There is      a book on the table.

   Hay         un libro en la mesa.

            b) Frase negativa.

1) Forma no contraída

     1                2                    3

There is +  Negacion + Complemento.

There is      not              a book on the table.

2) Forma contraída

             1                               2               

(There is +  Negacion) + Complemento.

         There isn’t               a book on the table.

            c) Pregunta afirmativa.

      2           1                  

Is there  +  Complemento?

Is there       a book on the table?

            d) Pregunta negativa.

     1) Forma no contraída

     1                2                    3

Is there  +  Negacion + Complemento.

Is there           not           a book on the table?

2) Forma contraída

           1                               2               

(There is +  Negacion) + Complemento.

          Isn’t there               a book on the table?

e) Contraccion. There is = There’s.

1) There’s a book on the table.

2) There’s not a book on the table.