(En general todas estas oraciones suenan menos naturales si se empieza por el objeto directo
como sujeto que si se empieza por el objeto indirecto, porque el Oi se suele referir a una
persona, a la que a menudo conocemos, mientras que el Od se suele referir a una cosa,
que suele ser información nueva.)
An ice-cream has been promised to the child by her grandfather.
The child has been promised an ice-cream by her grandfather.
A glass of water was offered to the patient by the nurse.
The patient was offered a glass of water by the nurse.
A film by Charlie Chaplin was shown to us by our teacher.
We were shown a film by Charlie Chaplin by our teacher.
Sharon's bag had been lent to her daughter.
Sharon's daughter had been lent her bag.
/ Her daughter had been lent Sharon's bag.
A dinner at home was offered to my uncle and aunt.
My uncle and aunt were offered a dinner at home.
A romantic trip was promised to my mum by my dad for their anniversary.
My mum was promised a romantic trip by my dad for their anniversary.
A Christmas card was sent to his sister by Peter.
/ A Christmas card was sent to Peter's sister by him.
His sister was sent a Christmas card by Peter.
/ Peter's sister was sent a Christmas card by him.
Cheap accomodation is provided for overseas students.
Overseas students are provided with cheap accomodation.
El verbo "provide" quiere decir "proporcionar", pero
cuando el objeto directo va detrás del indirecto (en activa),
usa la preposición "for":
They provide cheap accomodation for overseas students.
They provide overseas students with cheap accomodation.
Lo mismo sucede cuando en la oración pasiva aparece el Od
detrás del verbo.