estuve intercambiando
-I was exchanging
Pretérito progresivo para el sujetoyodel verbointercambiar.

intercambiar

Estuve intercambiando correspondencia con un miembro que sorprendentemente mencionó que no conoce mucho con respecto al cristianismo.
I was corresponding with a member who surprisingly mentioned that he did not know much about anything regarding Christianity.
Palabra del día
la canela