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 mayn't confirm you mayn't confirm he mayn't confirm we mayn't confirm you mayn't confirm they mayn't confirm	I mayn't be confirming you mayn't be confirming he mayn't be confirming we mayn't be confirming you mayn't be confirming they mayn't be confirming
Perfect	V-ing perfect
I mayn't have confirmed you mayn't have confirmed he mayn't have confirmed we mayn't have confirmed you mayn't have confirmed they mayn't have confirmed	I mayn't have been confirming you mayn't have been confirming he mayn't have been confirming we mayn't have been confirming you mayn't have been confirming they mayn't 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
mayn't I confirm? mayn't you confirm? mayn't he confirm? mayn't we confirm? mayn't you confirm? mayn't they confirm?	mayn't I be confirming? mayn't you be confirming? mayn't he be confirming? mayn't we be confirming? mayn't you be confirming? mayn't they be confirming?
Perfect	V-ing perfect
mayn't I have confirmed? mayn't you have confirmed? mayn't he have confirmed? mayn't we have confirmed? mayn't you have confirmed? mayn't they have confirmed?	mayn't I have been confirming? mayn't you have been confirming? mayn't he have been confirming? mayn't we have been confirming? mayn't you have been confirming? mayn't they have been confirming?