Resposta:
1) A - Neg : He isn't a singer.
Int: Is He a singer.
B - Neg : Robert and I aren't good friends.
Int: Robert and Are I good friends?
C - Neg: They aren't teachers.
Int: Are they teachers?
D- Neg: She isn't a receptionist.
Int: Is she a receptionist?
E - Neg: It isn't t a pencil.
Int: Is It a pencil ?
