on the board
Deveria tê-la anunciado no quadro de avisos.
You should have posted it on the bulletin board.
— Duro de Matar (1988)
O professor escreve no quadro negro.
The teacher writes on the blackboard.
Nosso professor de matemática desenhou um círculo no quadro.
Our math teacher drew a circle on the board.
O professor escreveu palavras francesas no quadro.
The teacher wrote French words on the board.
Ann escreveu alguma coisa no quadro.
Ann wrote something on the board.