Resultados posibles:
carteamos
Presente para el sujetonosotrosdel verbocartear.
carteamos
Pretérito para el sujetonosotrosdel verbocartear.

cartear

Nunca te olvidaré, especialmente si nos carteamos.
I would never forget you, especially if we were to write letters.
No, pero nos carteamos.
Not really, but we're pen pals.
Sí, aún nos carteamos.
Yes, we still correspond.
Nos carteamos. No me quería decir nada por carta, me invitaba a que fuera a verlo y me iba a aclarar mis dudas.
He did not want to say anything by letter and he invited me to meet him and so he would clear out my doubts.
Palabra del día
el hada madrina