Hello

I m National Pakistan, having Tarjeta larga duracion on my father behalf. studying in pakistan want to continue my study in pakistan.
My question is:-

1. with this residency how much time i can live outside the Spain?

2. Is it posible every year for 1 or 2 month i spend in spain and come back before completion of 1 year.

3. can you give me any link or web also to read complete information.

Thanks & awaiting

Hamza