may confirm
Regular verb: confirm - confirmed- confirmed

Affirmation 	
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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	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 	
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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	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 	
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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? 	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 	
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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? 	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?