will preascertain
Verbe régulier : preascertain - preascertained- preascertained

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I will preascertain
you will preascertain
she will preascertain
we will preascertain
you will preascertain
they will preascertain 	I will be preascertaining
you will be preascertaining
she will be preascertaining
we will be preascertaining
you will be preascertaining
they will be preascertaining	I will have preascertained
you will have preascertained
she will have preascertained
we will have preascertained
you will have preascertained
they will have preascertained	I will have been preascertaining
you will have been preascertaining
she will have been preascertaining
we will have been preascertaining
you will have been preascertaining
they will have been preascertaining	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I will not preascertain
you will not preascertain
she will not preascertain
we will not preascertain
you will not preascertain
they will not preascertain 	I will not be preascertaining
you will not be preascertaining
she will not be preascertaining
we will not be preascertaining
you will not be preascertaining
they will not be preascertaining	I will not have preascertained
you will not have preascertained
she will not have preascertained
we will not have preascertained
you will not have preascertained
they will not have preascertained	I will not have been preascertaining
you will not have been preascertaining
she will not have been preascertaining
we will not have been preascertaining
you will not have been preascertaining
they will not have been preascertaining	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
will I preascertain?
will you preascertain?
will she preascertain?
will we preascertain?
will you preascertain?
will they preascertain? 	will I be preascertaining?
will you be preascertaining?
will she be preascertaining?
will we be preascertaining?
will you be preascertaining?
will they be preascertaining? 	will I have preascertained?
will you have preascertained?
will she have preascertained?
will we have preascertained?
will you have preascertained?
will they have preascertained? 	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 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
will I not preascertain?
will you not preascertain?
will she not preascertain?
will we not preascertain?
will you not preascertain?
will they not preascertain? 	will I not be preascertaining?
will you not be preascertaining?
will she not be preascertaining?
will we not be preascertaining?
will you not be preascertaining?
will they not be preascertaining? 	will I not have preascertained?
will you not have preascertained?
will she not have preascertained?
will we not have preascertained?
will you not have preascertained?
will they not have preascertained? 	will I not have been preascertaining?
will you not have been preascertaining?
will she not have been preascertaining?
will we not have been preascertaining?
will you not have been preascertaining?
will they not have been preascertaining?