Resultados posibles:
estabas advirtiendo
-you were warning
Imperfecto progresivo para el sujetodel verboadvertir.
estabas advirtiendo
-you were warning
Imperfecto progresivo para el sujetovosdel verboadvertir.

advertir

Sé que estabas advirtiendo, pero es un trabajo importante, y un cartel no va a distraerse.
You were telling people, but it's a really important job and a sign is less likely to get distracted.
Estabas advirtiendo a tus amigos.
You were warning your friends.
Palabra del día
la canela