noticed, was noticing, felt, was feeling
Ese día estabas de muy buen humor, se te notaba en la cara.
You were in a very good mood that day, it showed on your face.
Pat las notaba hacía meses.
Pat had been noticing them for months.
— Suspiria: Alarido (1977)
Se ve que la pobre notaba mucha acidez.
It seems the poor thing was experiencing a lot of heartburn.
— Cuentos de Tokio (1953)
Se le notaba nervioso.
He seemed nervous.
— Buenos Muchachos (1990)