Conjugaison du verbe anglais
MAY CERTIFY

Verbe régulier : certify - certified - certified
Traduction française : certifier - attester

Affirmation

Forme simple	Forme en V-ing
I may certify you may certify he may certify we may certify you may certify they may certify	I may be certifying you may be certifying he may be certifying we may be certifying you may be certifying they may be certifying
Perfect	Perfect en V-ing
I may have certified you may have certified he may have certified we may have certified you may have certified they may have certified	I may have been certifying you may have been certifying he may have been certifying we may have been certifying you may have been certifying they may have been certifying

Négation

Forme simple	Forme en V-ing
I may not certify you may not certify he may not certify we may not certify you may not certify they may not certify	I may not be certifying you may not be certifying he may not be certifying we may not be certifying you may not be certifying they may not be certifying
Perfect	Perfect en V-ing
I may not have certified you may not have certified he may not have certified we may not have certified you may not have certified they may not have certified	I may not have been certifying you may not have been certifying he may not have been certifying we may not have been certifying you may not have been certifying they may not have been certifying

Forme interrogative

Forme simple	Forme en V-ing
may I certify? may you certify? may he certify? may we certify? may you certify? may they certify?	may I be certifying? may you be certifying? may he be certifying? may we be certifying? may you be certifying? may they be certifying?
Perfect	Perfect en V-ing
may I have certified? may you have certified? may he have certified? may we have certified? may you have certified? may they have certified?	may I have been certifying? may you have been certifying? may he have been certifying? may we have been certifying? may you have been certifying? may they have been certifying?

Forme interro-négative

Forme simple	Forme en V-ing
may I not certify? may you not certify? may he not certify? may we not certify? may you not certify? may they not certify?	may I not be certifying? may you not be certifying? may he not be certifying? may we not be certifying? may you not be certifying? may they not be certifying?
Perfect	Perfect en V-ing
may I not have certified? may you not have certified? may he not have certified? may we not have certified? may you not have certified? may they not have certified?	may I not have been certifying? may you not have been certifying? may he not have been certifying? may we not have been certifying? may you not have been certifying? may they not have been certifying?