I'll be preascertaining you'll be preascertaining she'll be preascertaining we'll be preascertaining you'll be preascertaining they'll be preascertaining
Perfect
I'll have preascertained you'll have preascertained she'll have preascertained we'll have preascertained you'll have preascertained they'll have preascertained
Perfect en V-ing
I'll have been preascertaining you'll have been preascertaining she'll have been preascertaining we'll have been preascertaining you'll have been preascertaining they'll have been preascertaining
Négation
Forme simple
I won't preascertain you won't preascertain she won't preascertain we won't preascertain you won't preascertain they won't preascertain
Forme en V-ing
I won't be preascertaining you won't be preascertaining she won't be preascertaining we won't be preascertaining you won't be preascertaining they won't be preascertaining
Perfect
I won't have preascertained you won't have preascertained she won't have preascertained we won't have preascertained you won't have preascertained they won't have preascertained
Perfect en V-ing
I won't have been preascertaining you won't have been preascertaining she won't have been preascertaining we won't have been preascertaining you won't have been preascertaining they won't have been preascertaining
Forme interrogative
Forme simple
will I preascertain? will you preascertain? will she preascertain? will we preascertain? will you preascertain? will they preascertain?
Forme en V-ing
will I be preascertaining? will you be preascertaining? will she be preascertaining? will we be preascertaining? will you be preascertaining? will they be preascertaining?
Perfect
will I have preascertained? will you have preascertained? will she have preascertained? will we have preascertained? will you have preascertained? will they have preascertained?
Perfect en V-ing
will I have been preascertaining? will you have been preascertaining? will she have been preascertaining? will we have been preascertaining? will you have been preascertaining? will they have been preascertaining?
Forme interro-négative
Forme simple
won't I preascertain? won't you preascertain? won't she preascertain? won't we preascertain? won't you preascertain? won't they preascertain?
Forme en V-ing
won't I be preascertaining? won't you be preascertaining? won't she be preascertaining? won't we be preascertaining? won't you be preascertaining? won't they be preascertaining?
Perfect
won't I have preascertained? won't you have preascertained? won't she have preascertained? won't we have preascertained? won't you have preascertained? won't they have preascertained?
Perfect en V-ing
won't I have been preascertaining? won't you have been preascertaining? won't she have been preascertaining? won't we have been preascertaining? won't you have been preascertaining? won't they have been preascertaining?