Resultados posibles:
has carecido
-you have lacked
Antepresente para el sujeto del verbo carecer.
has carecido
-you have lacked
Antepresente para el sujeto vos del verbo carecer.

carecer

Oh, bueno, nunca has carecido de confianza en ti mismo.
Oh, well, you've never lacked for self-confidence.
Mientras te he conocido, has carecido de todo sentido de equilibrio.
As long as I've known you, you've lacked all sense of balance.
Palabra del día
el ponche de huevo