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 may not warn warn you may not warn warn he may not warn warn we may not warn warn you may not warn warn they may not warn warn
V-ing form
I may not be warn warning you may not be warn warning he may not be warn warning we may not be warn warning you may not be warn warning they may not be warn warning
Perfect
I may not have warn warned you may not have warn warned he may not have warn warned we may not have warn warned you may not have warn warned they may not have warn warned
V-ing perfect
I may not have been warn warning you may not have been warn warning he may not have been warn warning we may not have been warn warning you may not have been warn warning they may not 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
may I not warn warn? may you not warn warn? may he not warn warn? may we not warn warn? may you not warn warn? may they not warn warn?
V-ing form
may I not be warn warning? may you not be warn warning? may he not be warn warning? may we not be warn warning? may you not be warn warning? may they not be warn warning?
Perfect
may I not have warn warned? may you not have warn warned? may he not have warn warned? may we not have warn warned? may you not have warn warned? may they not have warn warned?
V-ing perfect
may I not have been warn warning? may you not have been warn warning? may he not have been warn warning? may we not have been warn warning? may you not have been warn warning? may they not have been warn warning?