Resposta :
a. Mark is my father
Neg: Mark is not my father
Intg: is Mark my father?
b. We are brothers
Neg: we are not brothers
Intg: are we brothers?
c. The dog is white
Neg: the dog is not white
Intg: is the dog white?
d. You are sisters
Neg: you are not sisters
Intg: are you sisters?