She is doing homework right now.
Present continuous.
She is doing exercise.
Presen continuous.
He plays guitar every saturday.
Present simple.
He drinks water always.
Present simple.
My friend eats pizza every weekend.
Present simple.
They are walking now.
Present continuous.
They are walking to home.
Present continuous.
He reads a book all days.
Present simple.
They are going to school.
Present continuous.