I might master you might master he might master we might master you might master they might master
V-ing form
I might be mastering you might be mastering he might be mastering we might be mastering you might be mastering they might be mastering
Perfect
I might have mastered you might have mastered he might have mastered we might have mastered you might have mastered they might have mastered
V-ing perfect
I might have been mastering you might have been mastering he might have been mastering we might have been mastering you might have been mastering they might have been mastering
Negation
Simple form
I mightn't master you mightn't master he mightn't master we mightn't master you mightn't master they mightn't master
V-ing form
I mightn't be mastering you mightn't be mastering he mightn't be mastering we mightn't be mastering you mightn't be mastering they mightn't be mastering
Perfect
I mightn't have mastered you mightn't have mastered he mightn't have mastered we mightn't have mastered you mightn't have mastered they mightn't have mastered
V-ing perfect
I mightn't have been mastering you mightn't have been mastering he mightn't have been mastering we mightn't have been mastering you mightn't have been mastering they mightn't have been mastering
Interrogative form
Simple form
might I master? might you master? might he master? might we master? might you master? might they master?
V-ing form
might I be mastering? might you be mastering? might he be mastering? might we be mastering? might you be mastering? might they be mastering?
Perfect
might I have mastered? might you have mastered? might he have mastered? might we have mastered? might you have mastered? might they have mastered?
V-ing perfect
might I have been mastering? might you have been mastering? might he have been mastering? might we have been mastering? might you have been mastering? might they have been mastering?
Interro-negative form
Simple form
mightn't I master? mightn't you master? mightn't he master? mightn't we master? mightn't you master? mightn't they master?
V-ing form
mightn't I be mastering? mightn't you be mastering? mightn't he be mastering? mightn't we be mastering? mightn't you be mastering? mightn't they be mastering?
Perfect
mightn't I have mastered? mightn't you have mastered? mightn't he have mastered? mightn't we have mastered? mightn't you have mastered? mightn't they have mastered?
V-ing perfect
mightn't I have been mastering? mightn't you have been mastering? mightn't he have been mastering? mightn't we have been mastering? mightn't you have been mastering? mightn't they have been mastering?