Hola me ayudan con esto
a I did never see such a beautiful picture!
b I have never seen such a beautiful picture!
a
They have just returned from their holiday.
b
They just returned from their holiday.
a
Joe has had this job since October.
b
Joe had this job since October.
a I did never see such a beautiful picture!
b I have never seen such a beautiful picture!
a
They have just returned from their holiday.
b
They just returned from their holiday.
a
Joe has had this job since October.
b
Joe had this job since October.
b.yo nunca vi una imagen tan bonita
a.ellos acaban de volver de sus vacaciones
b.ellos han vuelto de sus vacaciones
a.Joe tiene este trabajo desde octubre
b.Joe tuvo este trabajo desde octubre