I may master you may master she may master we may master you may master they may master
Forma com V-ing
I may be mastering you may be mastering she may be mastering we may be mastering you may be mastering they may be mastering
Perfeito
I may have mastered you may have mastered she may have mastered we may have mastered you may have mastered they may have mastered
Perfeito com V-ing
I may have been mastering you may have been mastering she may have been mastering we may have been mastering you may have been mastering they may have been mastering
Negação
Forma simple
I may not master you may not master she may not master we may not master you may not master they may not master
Forma com V-ing
I may not be mastering you may not be mastering she may not be mastering we may not be mastering you may not be mastering they may not be mastering
Perfeito
I may not have mastered you may not have mastered she may not have mastered we may not have mastered you may not have mastered they may not have mastered
Perfeito com V-ing
I may not have been mastering you may not have been mastering she may not have been mastering we may not have been mastering you may not have been mastering they may not have been mastering
Forma interrogativa
Forma simple
may I master? may you master? may she master? may we master? may you master? may they master?
Forma com V-ing
may I be mastering? may you be mastering? may she be mastering? may we be mastering? may you be mastering? may they be mastering?
Perfeito
may I have mastered? may you have mastered? may she have mastered? may we have mastered? may you have mastered? may they have mastered?
Perfeito com V-ing
may I have been mastering? may you have been mastering? may she have been mastering? may we have been mastering? may you have been mastering? may they have been mastering?
Forma interro-Negação
Forma simple
may I not master? may you not master? may she not master? may we not master? may you not master? may they not master?
Forma com V-ing
may I not be mastering? may you not be mastering? may she not be mastering? may we not be mastering? may you not be mastering? may they not be mastering?
Perfeito
may I not have mastered? may you not have mastered? may she not have mastered? may we not have mastered? may you not have mastered? may they not have mastered?
Perfeito com V-ing
may I not have been mastering? may you not have been mastering? may she not have been mastering? may we not have been mastering? may you not have been mastering? may they not have been mastering?