1 My mother is A doctor.
Is my mother a doctor?
My mother is a doctor, isn't she?
My mother is a doctor or teacher?
Who is a doctor?
2.
We watch TV and talk.
Do we watch TV and talk?
We watch TV and talk, don't we?
What do we watch?
Who watches TV and talks?
3.
He takes a bus TO his factory.
Does he take a bus to his factory?
He takes a bus to his factory, doesn't he?
Does he take a bus to his factory or office?
Who takes a bus to his factory?