Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I may warn warn you may warn warn he may warn warn we may warn warn you may warn warn they may warn warn
V-ing form
I may be warn warning you may be warn warning he may be warn warning we may be warn warning you may be warn warning they may be warn warning
Perfect
I may have warn warned you may have warn warned he may have warn warned we may have warn warned you may have warn warned they may have warn warned
V-ing perfect
I may have been warn warning you may have been warn warning he may have been warn warning we may have been warn warning you may have been warn warning they may have been warn warning
Negation
Simple form
I mayn't warn warn you mayn't warn warn he mayn't warn warn we mayn't warn warn you mayn't warn warn they mayn't warn warn
V-ing form
I mayn't be warn warning you mayn't be warn warning he mayn't be warn warning we mayn't be warn warning you mayn't be warn warning they mayn't be warn warning
Perfect
I mayn't have warn warned you mayn't have warn warned he mayn't have warn warned we mayn't have warn warned you mayn't have warn warned they mayn't have warn warned
V-ing perfect
I mayn't have been warn warning you mayn't have been warn warning he mayn't have been warn warning we mayn't have been warn warning you mayn't have been warn warning they mayn't have been warn warning
Interrogative form
Simple form
may I warn warn? may you warn warn? may he warn warn? may we warn warn? may you warn warn? may they warn warn?
V-ing form
may I be warn warning? may you be warn warning? may he be warn warning? may we be warn warning? may you be warn warning? may they be warn warning?
Perfect
may I have warn warned? may you have warn warned? may he have warn warned? may we have warn warned? may you have warn warned? may they have warn warned?
V-ing perfect
may I have been warn warning? may you have been warn warning? may he have been warn warning? may we have been warn warning? may you have been warn warning? may they have been warn warning?
Interro-negative form
Simple form
mayn't I warn warn? mayn't you warn warn? mayn't he warn warn? mayn't we warn warn? mayn't you warn warn? mayn't they warn warn?
V-ing form
mayn't I be warn warning? mayn't you be warn warning? mayn't he be warn warning? mayn't we be warn warning? mayn't you be warn warning? mayn't they be warn warning?
Perfect
mayn't I have warn warned? mayn't you have warn warned? mayn't he have warn warned? mayn't we have warn warned? mayn't you have warn warned? mayn't they have warn warned?
V-ing perfect
mayn't I have been warn warning? mayn't you have been warn warning? mayn't he have been warn warning? mayn't we have been warn warning? mayn't you have been warn warning? mayn't they have been warn warning?