Resultados posibles:
estaba agradeciendo
-I was thanking
Imperfecto progresivo para el sujeto yo del verbo agradecer.
Imperfecto progresivo para el sujeto él/ella/usted del verbo agradecer.

agradecer

Solo te lo estaba agradeciendo.
I was just saying thank you.
Ella me estaba agradeciendo.
She was thanking me.
Solo le estaba agradeciendo.
You don't understand. I was just saying thank you.
Palabra del día
el higo