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