было украдено

was stolen

→ быть
phrase Rare #27,141
was stolen Past passive form, typically used with neuter nouns or when referring to an unspecified thing.
RU: Моё кольцо было украдено.
EN: My ring was stolen.

Том не знает, сколько было украдено денег.

Tom doesn't know how much money was stolen.

Не думаю, что Том знает, сколько денег было украдено из сейфа.

I don't think Tom knows how much money was stolen from the safe.

Чтобы мы могли знать, что было украдено у нас.

So that we could know what had been stolen from us.

— Последний император (1987)

Я не знал, сколько денег было украдено.

I didn't know how much money had been stolen.