will master
Regular verb: master - mastered- mastered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'll master
you'll master
he'll master
we'll master
you'll master
they'll master 	I'll be mastering
you'll be mastering
he'll be mastering
we'll be mastering
you'll be mastering
they'll be mastering	I'll have mastered
you'll have mastered
he'll have mastered
we'll have mastered
you'll have mastered
they'll have mastered	I'll have been mastering
you'll have been mastering
he'll have been mastering
we'll have been mastering
you'll have been mastering
they'll have been mastering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I won't master
you won't master
he won't master
we won't master
you won't master
they won't master 	I won't be mastering
you won't be mastering
he won't be mastering
we won't be mastering
you won't be mastering
they won't be mastering	I won't have mastered
you won't have mastered
he won't have mastered
we won't have mastered
you won't have mastered
they won't have mastered	I won't have been mastering
you won't have been mastering
he won't have been mastering
we won't have been mastering
you won't have been mastering
they won't have been mastering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
will I master?
will you master?
will he master?
will we master?
will you master?
will they master? 	will I be mastering?
will you be mastering?
will he be mastering?
will we be mastering?
will you be mastering?
will they be mastering? 	will I have mastered?
will you have mastered?
will he have mastered?
will we have mastered?
will you have mastered?
will they have mastered? 	will I have been mastering?
will you have been mastering?
will he have been mastering?
will we have been mastering?
will you have been mastering?
will they have been mastering? 	

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