TO BE (+)
He (be) happy.
He is happy.
Ahmed (be) intelligent?
Is Ahmed intelligent?
She (not be) seventeen anymore.
She is not seventeen anymore.
They (be) friends.
They are friends.
Your mother (be) a teacher?
Is your mother a teacher?
My name (not be) Safa.
My name is not Safa.
Tom and Jerry (be) enemies.
Tom and Jerry are enemies.
You (be) American?
Are you American?
It (not be) my pencil.
It is not my rubber.
This pencil case (be) new.
This pencil case is new.
It (be) your dog?
Is it your dog?
I (be not) American.
I am not American.
Maryam and I (be) at school.
Maryam and I are at school.
I (be) from Poland?
Am I from Poland?
My sister and I (not be) messy.
Tania and I are not messy.