shall concern
Verbo regular: concern - concerned- concerned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shall concern
you shall concern
she shall concern
we shall concern
you shall concern
they shall concern 	I shall be concerning
you shall be concerning
she shall be concerning
we shall be concerning
you shall be concerning
they shall be concerning	I shall have concerned
you shall have concerned
she shall have concerned
we shall have concerned
you shall have concerned
they shall have concerned	I shall have been concerning
you shall have been concerning
she shall have been concerning
we shall have been concerning
you shall have been concerning
they shall have been concerning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shall not concern
you shall not concern
she shall not concern
we shall not concern
you shall not concern
they shall not concern 	I shall not be concerning
you shall not be concerning
she shall not be concerning
we shall not be concerning
you shall not be concerning
they shall not be concerning	I shall not have concerned
you shall not have concerned
she shall not have concerned
we shall not have concerned
you shall not have concerned
they shall not have concerned	I shall not have been concerning
you shall not have been concerning
she shall not have been concerning
we shall not have been concerning
you shall not have been concerning
they shall not have been concerning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shall I concern?
shall you concern?
shall she concern?
shall we concern?
shall you concern?
shall they concern? 	shall I be concerning?
shall you be concerning?
shall she be concerning?
shall we be concerning?
shall you be concerning?
shall they be concerning? 	shall I have concerned?
shall you have concerned?
shall she have concerned?
shall we have concerned?
shall you have concerned?
shall they have concerned? 	shall I have been concerning?
shall you have been concerning?
shall she have been concerning?
shall we have been concerning?
shall you have been concerning?
shall they have been concerning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shall I not concern?
shall you not concern?
shall she not concern?
shall we not concern?
shall you not concern?
shall they not concern? 	shall I not be concerning?
shall you not be concerning?
shall she not be concerning?
shall we not be concerning?
shall you not be concerning?
shall they not be concerning? 	shall I not have concerned?
shall you not have concerned?
shall she not have concerned?
shall we not have concerned?
shall you not have concerned?
shall they not have concerned? 	shall I not have been concerning?
shall you not have been concerning?
shall she not have been concerning?
shall we not have been concerning?
shall you not have been concerning?
shall they not have been concerning?