I would preascertain you would preascertain he would preascertain we would preascertain you would preascertain they would preascertain
V-ing form
I would be preascertaining you would be preascertaining he would be preascertaining we would be preascertaining you would be preascertaining they would be preascertaining
Perfect
I would have preascertained you would have preascertained he would have preascertained we would have preascertained you would have preascertained they would have preascertained
V-ing perfect
I would have been preascertaining you would have been preascertaining he would have been preascertaining we would have been preascertaining you would have been preascertaining they would have been preascertaining
Negation
Simple form
I would not preascertain you would not preascertain he would not preascertain we would not preascertain you would not preascertain they would not preascertain
V-ing form
I would not be preascertaining you would not be preascertaining he would not be preascertaining we would not be preascertaining you would not be preascertaining they would not be preascertaining
Perfect
I would not have preascertained you would not have preascertained he would not have preascertained we would not have preascertained you would not have preascertained they would not have preascertained
V-ing perfect
I would not have been preascertaining you would not have been preascertaining he would not have been preascertaining we would not have been preascertaining you would not have been preascertaining they would not have been preascertaining
Interrogative form
Simple form
would I preascertain? would you preascertain? would he preascertain? would we preascertain? would you preascertain? would they preascertain?
V-ing form
would I be preascertaining? would you be preascertaining? would he be preascertaining? would we be preascertaining? would you be preascertaining? would they be preascertaining?
Perfect
would I have preascertained? would you have preascertained? would he have preascertained? would we have preascertained? would you have preascertained? would they have preascertained?
V-ing perfect
would I have been preascertaining? would you have been preascertaining? would he have been preascertaining? would we have been preascertaining? would you have been preascertaining? would they have been preascertaining?
Interro-negative form
Simple form
would I not preascertain? would you not preascertain? would he not preascertain? would we not preascertain? would you not preascertain? would they not preascertain?
V-ing form
would I not be preascertaining? would you not be preascertaining? would he not be preascertaining? would we not be preascertaining? would you not be preascertaining? would they not be preascertaining?
Perfect
would I not have preascertained? would you not have preascertained? would he not have preascertained? would we not have preascertained? would you not have preascertained? would they not have preascertained?
V-ing perfect
would I not have been preascertaining? would you not have been preascertaining? would he not have been preascertaining? would we not have been preascertaining? would you not have been preascertaining? would they not have been preascertaining?