this has been going on for months

From the looks of it, I'd say this has been going on for months.
Por como se ve, diría que ha estado pasando por meses.
He met another woman and started seeing her in secret, and this has been going on for months.
Él conoció a otra mujer y empezó a verse con ella en secreto, y esto ha seguido por meses.
This has been going on for months now.
Esto ha estado pasando durante meses.
This has been going on for months.
Esto ha estado sucediendo desde hace meses.
This has been going on for months.
Esto lleva pasando hace meses.
This has been going on for months.
Esto ha sido por cuatro meses.
This has been going on for months.
Esto ha sido por cuatro meses.
This has been going on for months now.
Esto lleva meses así.
This has been going on for months now.
Hace meses que estamos en reformas.
This has been going on for months.
-Hace meses que estamos con esto.
Palabra del día
el portero