foram escritos

were written

→ ser
phrase Rare #41,376
were written Plural past passive form of the verb escrever.
PO: Os nomes foram escritos no caderno.
EN: The names were written in the notebook.

Três dos poemas deste livro foram escritos por Tom Jackson.

Three of the poems in this book were written by Tom Jackson.

Mas o endereço e o nome no envelope foram escritos à mão.

But the address and name on the envelope were handwritten.

— Decisão de Partir (2022)

Canções e poemas foram escritos sobre ele.

Songs and poems have been written about him.

Centenas de milhares de livros foram escritos sobre xadrez.

Hundreds of thousands of books have been written about chess.