Составить 10 предложений с глаголом to be

I am a student. We are the champions. They are very hard-working. My grand mother is a good dentist. My father is a coach,whose job is to train people how to play. I am interested in this advertisement We are very proud of our parents. He is a bus driver,whose job is to drive us to school We are late for school. My brother is very good at maths.