Respuesta:
1.
Afir. Four letters are written by Verónica.
Neg. Four letters are not written by Verónica.
Int. Are four letters written by Verónica?
2.
Afir. The house is destroyed by the fire.
Neg. The house is not destroyed by the fire.
Int. Is the house destroyed by the fire?
3.
Afir. The rooms of the house are painted by my family.
Neg. The rooms of the house are not painted by my family.
Int. Are the rooms of the house painted by my family?
4.
Afir. Soup and salad are eaten by them everyday.
Neg. Soup and salad are not eaten by them everyday.
Int. Are soup and salad eaten by them everyday?
