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.