could confirm
Verbe régulier : confirm - confirmed- confirmed
Traduction française : confirmer - assurer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could confirm
you could confirm
he could confirm
we could confirm
you could confirm
they could confirm 	I could be confirming
you could be confirming
he could be confirming
we could be confirming
you could be confirming
they could be confirming	I could have confirmed
you could have confirmed
he could have confirmed
we could have confirmed
you could have confirmed
they could have confirmed	I could have been confirming
you could have been confirming
he could have been confirming
we could have been confirming
you could have been confirming
they could have been confirming	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not confirm
you could not confirm
he could not confirm
we could not confirm
you could not confirm
they could not confirm 	I could not be confirming
you could not be confirming
he could not be confirming
we could not be confirming
you could not be confirming
they could not be confirming	I could not have confirmed
you could not have confirmed
he could not have confirmed
we could not have confirmed
you could not have confirmed
they could not have confirmed	I could not have been confirming
you could not have been confirming
he could not have been confirming
we could not have been confirming
you could not have been confirming
they could not have been confirming	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I confirm?
could you confirm?
could he confirm?
could we confirm?
could you confirm?
could they confirm? 	could I be confirming?
could you be confirming?
could he be confirming?
could we be confirming?
could you be confirming?
could they be confirming? 	could I have confirmed?
could you have confirmed?
could he have confirmed?
could we have confirmed?
could you have confirmed?
could they have confirmed? 	could I have been confirming?
could you have been confirming?
could he have been confirming?
could we have been confirming?
could you have been confirming?
could they have been confirming? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not confirm?
could you not confirm?
could he not confirm?
could we not confirm?
could you not confirm?
could they not confirm? 	could I not be confirming?
could you not be confirming?
could he not be confirming?
could we not be confirming?
could you not be confirming?
could they not be confirming? 	could I not have confirmed?
could you not have confirmed?
could he not have confirmed?
could we not have confirmed?
could you not have confirmed?
could they not have confirmed? 	could I not have been confirming?
could you not have been confirming?
could he not have been confirming?
could we not have been confirming?
could you not have been confirming?
could they not have been confirming?