shall master
Verbo regular: master - mastered- mastered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shall master
you shall master
he shall master
we shall master
you shall master
they shall master 	I shall be mastering
you shall be mastering
he shall be mastering
we shall be mastering
you shall be mastering
they shall be mastering	I shall have mastered
you shall have mastered
he 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
he shall have been mastering
we shall have been mastering
you shall have been mastering
they shall have been mastering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shall not master
you shall not master
he 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
he 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
he 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
he shall not have been mastering
we shall not have been mastering
you shall not have been mastering
they shall not have been mastering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shall I master?
shall you master?
shall he master?
shall we master?
shall you master?
shall they master? 	shall I be mastering?
shall you be mastering?
shall he be mastering?
shall we be mastering?
shall you be mastering?
shall they be mastering? 	shall I have mastered?
shall you have mastered?
shall he 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 he have been mastering?
shall we have been mastering?
shall you have been mastering?
shall they have been mastering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shall I not master?
shall you not master?
shall he 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 he 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 he 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 he not have been mastering?
shall we not have been mastering?
shall you not have been mastering?
shall they not have been mastering?