Verb "to be"

He (be) a student.

My mother (be) not a teacher.

They (be) at home.

Nick (be) not a student. He (be) a pupil. He (be) at school now.

These men (be) drivers.

(Be) your parents at home?- No, they (be) not.

I (be) a pupil, I (be) not a student.

(Be) his friends at school now?- No, they (be) in the garden.

(Be) this your book ?- This book (be) not my. My book (be) in my bag.

(Be) there any books on your table?- Yes, there (be) .