do I master? do you master? does she master? do we master? do you master? do they master?
Presente continuo
am I mastering? are you mastering? is she mastering? are we mastering? are you mastering? are they mastering?
Pretérito
did I master? did you master? did she master? did we master? did you master? did they master?
Pretérito continuo
was I mastering? were you mastering? was she mastering? were we mastering? were you mastering? were they mastering?
Presente perfecto
have I mastered? have you mastered? has she mastered? have we mastered? have you mastered? have they mastered?
Presente perfecto continuo
have I been mastering? have you been mastering? has she been mastering? have we been mastering? have you been mastering? have they been mastering?
Pluscuamperfecto
had I mastered? had you mastered? had she mastered? had we mastered? had you mastered? had they mastered?
Pluscuamperfecto continuo
had I been mastering? had you been mastering? had she been mastering? had we been mastering? had you been mastering? had they been mastering?
Futuro simple
will I master? will you master? will she master? will we master? will you master? will they master?
Futuro continuo
will I be mastering? will you be mastering? will she be mastering? will we be mastering? will you be mastering? will they be mastering?
Futuro perfecto
will I have mastered? will you have mastered? will she have mastered? will we have mastered? will you have mastered? will they have mastered?
Futuro perfecto contínuo
will I have been mastering? will you have been mastering? will she have been mastering? will we have been mastering? will you have been mastering? will they have been mastering?
Condicional
Presente
would I master? would you master? would she master? would we master? would you master? would they master?
Presente continuo
would I be mastering? would you be mastering? would she be mastering? would we be mastering? would you be mastering? would they be mastering?
Passado
would I have mastered? would you have mastered? would she have mastered? would we have mastered? would you have mastered? would they have mastered?
Passado continuo
would I have been mastering? would you have been mastering? would she have been mastering? would we have been mastering? would you have been mastering? would they have been mastering?