Lisa and Susan are nurses.
He
Are they architects?
She
Is he our classmate?
I
Are you Lisa?
I am an engineer.
Are you doctors?
You
Anthony is a chef.
We are students.
We
Shakira is a singer.
Is she our boss?
So, she isn't a doctor.
Are
No, we aren't. / Yes, we are.
No, she isn't./ Yes, she is.
So, I'm not a singer.
Yes, I am. / No, I'm not.
So, he isn't a teacher.
Is
Is
So, we are not doctors.
So, they aren't chefs.
Are
No, they're not. / Yes, they are.
Am
No, he isn't. / Yes, he is.