For this case we can translate the given model as:
Today is Monday. I am swimming on the beach.
I'm going to study tomorrow.
We must complete the following sentence:
Today is Tuesday. I am ____________. Morning _____________
Then, we look in the table for the activity of Tuesday and Wednesday.
Tuesday studies and Wednesday runs in the park, then we complete the sentence as:
Today is Tuesday. I am studying. Tomorrow I'm going to run in the park.
ANswer:
Hoy es martes. Estoy estudiando. Mañana voy a correr en el parque.