shall master
Regular verb: master - mastered- mastered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall master
you shall master
she shall master
we shall master
you shall master
they shall master 	I shall be mastering
you shall be mastering
she shall be mastering
we shall be mastering
you shall be mastering
they shall be mastering	I shall have mastered
you shall have mastered
she shall have mastered
we shall have mastered
you shall have mastered
they shall have mastered	I shall have been mastering
you shall have been mastering
she shall have been mastering
we shall have been mastering
you shall have been mastering
they shall have been mastering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall not master
you shall not master
she shall not master
we shall not master
you shall not master
they shall not master 	I shall not be mastering
you shall not be mastering
she shall not be mastering
we shall not be mastering
you shall not be mastering
they shall not be mastering	I shall not have mastered
you shall not have mastered
she shall not have mastered
we shall not have mastered
you shall not have mastered
they shall not have mastered	I shall not have been mastering
you shall not have been mastering
she shall not have been mastering
we shall not have been mastering
you shall not have been mastering
they shall not have been mastering	

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

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I not master?
shall you not master?
shall she not master?
shall we not master?
shall you not master?
shall they not master? 	shall I not be mastering?
shall you not be mastering?
shall she not be mastering?
shall we not be mastering?
shall you not be mastering?
shall they not be mastering? 	shall I not have mastered?
shall you not have mastered?
shall she not have mastered?
shall we not have mastered?
shall you not have mastered?
shall they not have mastered? 	shall I not have been mastering?
shall you not have been mastering?
shall she not have been mastering?
shall we not have been mastering?
shall you not have been mastering?
shall they not have been mastering?