Составить 10 предложений в разных временах с конструкцией to be

I am a student.
She was the best teacher in the city.
I will be reading by 4 o'clock.
I will be a doctor in the future.
I have already been to Moscow.
I had been at home, before he rang me.
I have been being a student next month for three year.
He is playing football now.
She was sleeping when I called her