was sad
He was sad.
Eu não sabia por que o Tom estava triste.
I didn't know why Tom was sad.
Ela estava triste pela primeira vez em meses.
She was sad for the first time in months.
Ela lhe disse que estava triste.
She told him she was sad.
Tom não estava triste com isso.
Tom wasn't sad about it.
O Tom estava triste.
Tom was sad.
Perguntei a Tom por que ele estava triste.
I asked Tom why he was sad.
I was sad.