may disconfirm
Regular verb: disconfirm - disconfirmed- disconfirmed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may disconfirm
you may disconfirm
he may disconfirm
we may disconfirm
you may disconfirm
they may disconfirm 	I may be disconfirming
you may be disconfirming
he may be disconfirming
we may be disconfirming
you may be disconfirming
they may be disconfirming	I may have disconfirmed
you may have disconfirmed
he may have disconfirmed
we may have disconfirmed
you may have disconfirmed
they may have disconfirmed	I may have been disconfirming
you may have been disconfirming
he may have been disconfirming
we may have been disconfirming
you may have been disconfirming
they may have been disconfirming	

Negation 	
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I mayn't disconfirm
you mayn't disconfirm
he mayn't disconfirm
we mayn't disconfirm
you mayn't disconfirm
they mayn't disconfirm 	I mayn't be disconfirming
you mayn't be disconfirming
he mayn't be disconfirming
we mayn't be disconfirming
you mayn't be disconfirming
they mayn't be disconfirming	I mayn't have disconfirmed
you mayn't have disconfirmed
he mayn't have disconfirmed
we mayn't have disconfirmed
you mayn't have disconfirmed
they mayn't have disconfirmed	I mayn't have been disconfirming
you mayn't have been disconfirming
he mayn't have been disconfirming
we mayn't have been disconfirming
you mayn't have been disconfirming
they mayn't have been disconfirming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I disconfirm?
may you disconfirm?
may he disconfirm?
may we disconfirm?
may you disconfirm?
may they disconfirm? 	may I be disconfirming?
may you be disconfirming?
may he be disconfirming?
may we be disconfirming?
may you be disconfirming?
may they be disconfirming? 	may I have disconfirmed?
may you have disconfirmed?
may he have disconfirmed?
may we have disconfirmed?
may you have disconfirmed?
may they have disconfirmed? 	may I have been disconfirming?
may you have been disconfirming?
may he have been disconfirming?
may we have been disconfirming?
may you have been disconfirming?
may they have been disconfirming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I disconfirm?
mayn't you disconfirm?
mayn't he disconfirm?
mayn't we disconfirm?
mayn't you disconfirm?
mayn't they disconfirm? 	mayn't I be disconfirming?
mayn't you be disconfirming?
mayn't he be disconfirming?
mayn't we be disconfirming?
mayn't you be disconfirming?
mayn't they be disconfirming? 	mayn't I have disconfirmed?
mayn't you have disconfirmed?
mayn't he have disconfirmed?
mayn't we have disconfirmed?
mayn't you have disconfirmed?
mayn't they have disconfirmed? 	mayn't I have been disconfirming?
mayn't you have been disconfirming?
mayn't he have been disconfirming?
mayn't we have been disconfirming?
mayn't you have been disconfirming?
mayn't they have been disconfirming?