foram destruídas

were destroyed

→ ser
phrase Rare #37,250
were destroyed Past passive form of destruir, used with feminine plural subjects such as casas, pontes, and cidades.
PO: As árvores foram destruídas pela tempestade.
EN: The trees were destroyed by the storm.

Treze casas foram destruídas.

Thirteen houses were destroyed.

Muitas cidades foram destruídas por bombas.

Many cities were destroyed by bombs.

Lembre-se que as delas foram destruídas.

Remember that theirs were destroyed.

— Flores do Oriente (2011)

As pontes da cidade foram destruídas.

The city's bridges were destroyed.

Milhares de casas foram destruídas pela enchente.

Thousands of homes were destroyed by the flood.