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

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

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

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

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