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