Para la voz pasiva en el pasado, usa was o were + participio.
was / were + participio
The school was opened in 1995.
The letters were written in 1990.
Pruébalo: Man: Did you get my letter? Woman: No. Maybe it ___ to the wrong house. Elige lo que dice la mujer. (was found / delivered / was delivered / found) Respuesta: was delivered — A ella no le llegó la carta, así que tal vez it was delivered to the wrong house. Como la carta va primero, el verbo está en voz pasiva.
Con la cosa primero: was stolen, was built
Empieza con la cosa: My phone was stolen.It was built in 1920.
My phone was stolen.
It was built in 1920.
Not "My phone was robbed." — say "My phone was stolen.". De una cosa se dice stolen, no robbed.
Pruébalo: Man: You have a new TV! Woman: Yes. The old one ___ last week, when we were on vacation. Elige lo que dice la mujer. (was washed / stole / was stolen / washed) Respuesta: was stolen — Estaban de vacaciones y la tele vieja ya no está, así que it was stolen. Como la tele va primero, el verbo está en voz pasiva.
made in + un lugar
Usa made in + un lugar para decir dónde se hizo una cosa.
It was made in Mexico.
Pruébalo: Man: Is this clock from here? Woman: No, it ___ Spain. Elige lo que dice la mujer. (was made of / was made in / was made by) Respuesta: was made in — España es un lugar, así que the clock was made in Spain.
Preguntas: When was it built?
En una pregunta, was o were va antes de la cosa.
When was it built?
Where were these shoes made?
Pruébalo: Man: This sofa is so nice. ___ made? Woman: In a small town near here. Elige lo que dice el hombre. (When was it / Where was it / Why did it) Respuesta: Where was it — La respuesta es un lugar, así que él preguntó Where was it made?