BE- Affirmative
My mother from France.
or
My mother is from France.
My mother is from France.
They are from Mexico.
or
They is from Mexico.
They are from Mexico.
He is tired.
He isn't tired.
She be my sister.
or
She is my sister.
She is my sister.
They are at the beach.
They're at the beach.
Dr. Jones a doctor
or
Dr. Jones is a doctor.
Dr. Jones is a doctor.
They are not at home.
They aren’t at home.
Jill and James are at work.
or
Jill and James is at work.
Jill and James are at work.