not at home
No está en casa, sino en la escuela.
He's not at home, but at school.
He/She isn't home yet.
Mi padre no está en casa, pero sí mi madre.
My father is not home, but my mother is.
En este momento mi padre no está en casa.
My father is not home right now.
Lo siento, mi papá no está en casa.
I'm sorry, my dad isn't home.
He isn't at home, is he?
She isn't home right now.
Mom isn't home.
Lo siento, mi madre no está en casa en este momento.
I'm sorry, my mother isn't home right now.