had seen
Ele explicou detalhadamente o que havia visto.
He explained in detail what he had seen.
Ele não parava de pensar no homem que ele havia visto na janela.
He couldn't stop thinking about the man he had seen at the window.
Ele explicava detalhadamente o que ele havia visto.
He explained in detail what he had seen.
Eu ja a havia visto no grupo de parasitas do sangue, às quintas.
I had already seen her in the blood parasite group on Thursdays.
— Clube da Luta (1999)
Fez o senhor crer que o motorista havia visto algo.
He made the man believe that the driver had seen something.
— Um Contratempo (2017)
A Beth descreveu em detalhes o que ela havia visto.
Beth described in detail what she had seen.
Ele explicava detalhadamente o que havia visto.
He explained in detail what he had seen.