I'd be preascertaining you'd be preascertaining he'd be preascertaining we'd be preascertaining you'd be preascertaining they'd be preascertaining
Perfect
I would've preascertained you would've preascertained he would've preascertained we would've preascertained you would've preascertained they would've preascertained
Perfect en V-ing
I would've been preascertaining you would've been preascertaining he would've been preascertaining we would've been preascertaining you would've been preascertaining they would've been preascertaining
Négation
Forme simple
I wouldn't preascertain you wouldn't preascertain he wouldn't preascertain we wouldn't preascertain you wouldn't preascertain they wouldn't preascertain
Forme en V-ing
I wouldn't be preascertaining you wouldn't be preascertaining he wouldn't be preascertaining we wouldn't be preascertaining you wouldn't be preascertaining they wouldn't be preascertaining
Perfect
I wouldn't have preascertained you wouldn't have preascertained he wouldn't have preascertained we wouldn't have preascertained you wouldn't have preascertained they wouldn't have preascertained
Perfect en V-ing
I wouldn't have been preascertaining you wouldn't have been preascertaining he wouldn't have been preascertaining we wouldn't have been preascertaining you wouldn't have been preascertaining they wouldn't have been preascertaining
Forme interrogative
Forme simple
would I preascertain? would you preascertain? would he preascertain? would we preascertain? would you preascertain? would they preascertain?
Forme en V-ing
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?
Perfect en V-ing
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?
Forme interro-négative
Forme simple
wouldn't I preascertain? wouldn't you preascertain? wouldn't he preascertain? wouldn't we preascertain? wouldn't you preascertain? wouldn't they preascertain?
Forme en V-ing
wouldn't I be preascertaining? wouldn't you be preascertaining? wouldn't he be preascertaining? wouldn't we be preascertaining? wouldn't you be preascertaining? wouldn't they be preascertaining?
Perfect
wouldn't I have preascertained? wouldn't you have preascertained? wouldn't he have preascertained? wouldn't we have preascertained? wouldn't you have preascertained? wouldn't they have preascertained?
Perfect en V-ing
wouldn't I have been preascertaining? wouldn't you have been preascertaining? wouldn't he have been preascertaining? wouldn't we have been preascertaining? wouldn't you have been preascertaining? wouldn't they have been preascertaining?