shall ascertain
Verbo regular: ascertain - ascertained- ascertained

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shall ascertain
you shall ascertain
she shall ascertain
we shall ascertain
you shall ascertain
they shall ascertain 	I shall be ascertaining
you shall be ascertaining
she shall be ascertaining
we shall be ascertaining
you shall be ascertaining
they shall be ascertaining	I shall have ascertained
you shall have ascertained
she shall have ascertained
we shall have ascertained
you shall have ascertained
they shall have ascertained	I shall have been ascertaining
you shall have been ascertaining
she shall have been ascertaining
we shall have been ascertaining
you shall have been ascertaining
they shall have been ascertaining	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shall not ascertain
you shall not ascertain
she shall not ascertain
we shall not ascertain
you shall not ascertain
they shall not ascertain 	I shall not be ascertaining
you shall not be ascertaining
she shall not be ascertaining
we shall not be ascertaining
you shall not be ascertaining
they shall not be ascertaining	I shall not have ascertained
you shall not have ascertained
she shall not have ascertained
we shall not have ascertained
you shall not have ascertained
they shall not have ascertained	I shall not have been ascertaining
you shall not have been ascertaining
she shall not have been ascertaining
we shall not have been ascertaining
you shall not have been ascertaining
they shall not have been ascertaining	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shall I ascertain?
shall you ascertain?
shall she ascertain?
shall we ascertain?
shall you ascertain?
shall they ascertain? 	shall I be ascertaining?
shall you be ascertaining?
shall she be ascertaining?
shall we be ascertaining?
shall you be ascertaining?
shall they be ascertaining? 	shall I have ascertained?
shall you have ascertained?
shall she have ascertained?
shall we have ascertained?
shall you have ascertained?
shall they have ascertained? 	shall I have been ascertaining?
shall you have been ascertaining?
shall she have been ascertaining?
shall we have been ascertaining?
shall you have been ascertaining?
shall they have been ascertaining? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shall I not ascertain?
shall you not ascertain?
shall she not ascertain?
shall we not ascertain?
shall you not ascertain?
shall they not ascertain? 	shall I not be ascertaining?
shall you not be ascertaining?
shall she not be ascertaining?
shall we not be ascertaining?
shall you not be ascertaining?
shall they not be ascertaining? 	shall I not have ascertained?
shall you not have ascertained?
shall she not have ascertained?
shall we not have ascertained?
shall you not have ascertained?
shall they not have ascertained? 	shall I not have been ascertaining?
shall you not have been ascertaining?
shall she not have been ascertaining?
shall we not have been ascertaining?
shall you not have been ascertaining?
shall they not have been ascertaining?