I'd be mastering you'd be mastering he'd be mastering we'd be mastering you'd be mastering they'd be mastering
Perfecto
I should've mastered you should've mastered he should've mastered we should've mastered you should've mastered they should've mastered
Perfecto con V-ing
I should've been mastering you should've been mastering he should've been mastering we should've been mastering you should've been mastering they should've been mastering
Negación
Forma simple
I shouldn't master you shouldn't master he shouldn't master we shouldn't master you shouldn't master they shouldn't master
Forma con V-ing
I shouldn't be mastering you shouldn't be mastering he shouldn't be mastering we shouldn't be mastering you shouldn't be mastering they shouldn't be mastering
Perfecto
I shouldn't have mastered you shouldn't have mastered he shouldn't have mastered we shouldn't have mastered you shouldn't have mastered they shouldn't have mastered
Perfecto con V-ing
I shouldn't have been mastering you shouldn't have been mastering he shouldn't have been mastering we shouldn't have been mastering you shouldn't have been mastering they shouldn't have been mastering
Forma interrogativa
Forma simple
should I master? should you master? should he master? should we master? should you master? should they master?
Forma con V-ing
should I be mastering? should you be mastering? should he be mastering? should we be mastering? should you be mastering? should they be mastering?
Perfecto
should I have mastered? should you have mastered? should he have mastered? should we have mastered? should you have mastered? should they have mastered?
Perfecto con V-ing
should I have been mastering? should you have been mastering? should he have been mastering? should we have been mastering? should you have been mastering? should they have been mastering?
Forma interro-negativa
Forma simple
shouldn't I master? shouldn't you master? shouldn't he master? shouldn't we master? shouldn't you master? shouldn't they master?
Forma con V-ing
shouldn't I be mastering? shouldn't you be mastering? shouldn't he be mastering? shouldn't we be mastering? shouldn't you be mastering? shouldn't they be mastering?
Perfecto
shouldn't I have mastered? shouldn't you have mastered? shouldn't he have mastered? shouldn't we have mastered? shouldn't you have mastered? shouldn't they have mastered?
Perfecto con V-ing
shouldn't I have been mastering? shouldn't you have been mastering? shouldn't he have been mastering? shouldn't we have been mastering? shouldn't you have been mastering? shouldn't they have been mastering?