foram escritos

were written

→ ser
phrase Rare #41,742
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.

Canções e poemas foram escritos sobre ele.

Songs and poems have been written about him.

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)

Centenas de milhares de livros foram escritos sobre xadrez.

Hundreds of thousands of books have been written about chess.