Question

3 What are they doing tomorrow? (go to park)please is tomorrow​

Answer 1

What are they doing tomorrow? They're going to the park.

Explicación:

Going es un verbo irregular que conjugado es going.

Answer 2

Respuesta:

They are going to go to the park.

Explicación:

Se usa going to para hablar de futuro, y su gramática es la siguiente:

Sujeto + verbo to be + going to + verbo en presente + complemento