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