era amigo de

Era amigo de infância.

He was a childhood friend.

— Carandiru (2003)

Tom era amigo de John.

Tom was John’s friend.

Ele era amigo de Liliana Colotto?

Was he a friend of Liliana Colotto?

— O Segredo dos seus Olhos (2009)

"Você era amigo de Tom no ensino médio?""Não exatamente."

“Were you friends with Tom in high school?” “Not exactly.”

Era amigo de Steiner, mas não nos víamos muito.

He was a friend of Steiner's, but we didn't see each other very often.

— A Doce Vida (1960)

Tom era amigo de Maria.

Tom was Maria's friend.