English verb conjugation
MAY CONFIRM

Regular verb: confirm - confirmed - confirmed

Affirmation

Simple form	V-ing form
I may confirm you may confirm he may confirm we may confirm you may confirm they may confirm	I may be confirming you may be confirming he may be confirming we may be confirming you may be confirming they may be confirming
Perfect	V-ing perfect
I may have confirmed you may have confirmed he may have confirmed we may have confirmed you may have confirmed they may have confirmed	I may have been confirming you may have been confirming he may have been confirming we may have been confirming you may have been confirming they may have been confirming

Negation

Simple form	V-ing form
I may not confirm you may not confirm he may not confirm we may not confirm you may not confirm they may not confirm	I may not be confirming you may not be confirming he may not be confirming we may not be confirming you may not be confirming they may not be confirming
Perfect	V-ing perfect
I may not have confirmed you may not have confirmed he may not have confirmed we may not have confirmed you may not have confirmed they may not have confirmed	I may not have been confirming you may not have been confirming he may not have been confirming we may not have been confirming you may not have been confirming they may not have been confirming

Interrogative form

Simple form	V-ing form
may I confirm? may you confirm? may he confirm? may we confirm? may you confirm? may they confirm?	may I be confirming? may you be confirming? may he be confirming? may we be confirming? may you be confirming? may they be confirming?
Perfect	V-ing perfect
may I have confirmed? may you have confirmed? may he have confirmed? may we have confirmed? may you have confirmed? may they have confirmed?	may I have been confirming? may you have been confirming? may he have been confirming? may we have been confirming? may you have been confirming? may they have been confirming?

Interro-negative form

Simple form	V-ing form
may I not confirm? may you not confirm? may he not confirm? may we not confirm? may you not confirm? may they not confirm?	may I not be confirming? may you not be confirming? may he not be confirming? may we not be confirming? may you not be confirming? may they not be confirming?
Perfect	V-ing perfect
may I not have confirmed? may you not have confirmed? may he not have confirmed? may we not have confirmed? may you not have confirmed? may they not have confirmed?	may I not have been confirming? may you not have been confirming? may he not have been confirming? may we not have been confirming? may you not have been confirming? may they not have been confirming?