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