I shall ascertain you shall ascertain she shall ascertain we shall ascertain you shall ascertain they shall ascertain
V-ing form
I shall be ascertaining you shall be ascertaining she shall be ascertaining we shall be ascertaining you shall be ascertaining they shall be ascertaining
Perfect
I shall have ascertained you shall have ascertained she shall have ascertained we shall have ascertained you shall have ascertained they shall have ascertained
V-ing perfect
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
Negation
Simple form
I shall not ascertain you shall not ascertain she shall not ascertain we shall not ascertain you shall not ascertain they shall not ascertain
V-ing form
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
Perfect
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
V-ing perfect
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
Interrogative form
Simple form
shall I ascertain? shall you ascertain? shall she ascertain? shall we ascertain? shall you ascertain? shall they ascertain?
V-ing form
shall I be ascertaining? shall you be ascertaining? shall she be ascertaining? shall we be ascertaining? shall you be ascertaining? shall they be ascertaining?
Perfect
shall I have ascertained? shall you have ascertained? shall she have ascertained? shall we have ascertained? shall you have ascertained? shall they have ascertained?
V-ing perfect
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?
Interro-negative form
Simple form
shall I not ascertain? shall you not ascertain? shall she not ascertain? shall we not ascertain? shall you not ascertain? shall they not ascertain?
V-ing form
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?
Perfect
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?
V-ing perfect
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?