I may mistake you may mistake he may mistake we may mistake you may mistake they may mistake
V-ing form
I may be mistaking you may be mistaking he may be mistaking we may be mistaking you may be mistaking they may be mistaking
Perfect
I may have mistaken you may have mistaken he may have mistaken we may have mistaken you may have mistaken they may have mistaken
V-ing perfect
I may have been mistaking you may have been mistaking he may have been mistaking we may have been mistaking you may have been mistaking they may have been mistaking
Negation
Simple form
I mayn't mistake you mayn't mistake he mayn't mistake we mayn't mistake you mayn't mistake they mayn't mistake
V-ing form
I mayn't be mistaking you mayn't be mistaking he mayn't be mistaking we mayn't be mistaking you mayn't be mistaking they mayn't be mistaking
Perfect
I mayn't have mistaken you mayn't have mistaken he mayn't have mistaken we mayn't have mistaken you mayn't have mistaken they mayn't have mistaken
V-ing perfect
I mayn't have been mistaking you mayn't have been mistaking he mayn't have been mistaking we mayn't have been mistaking you mayn't have been mistaking they mayn't have been mistaking
Interrogative form
Simple form
may I mistake? may you mistake? may he mistake? may we mistake? may you mistake? may they mistake?
V-ing form
may I be mistaking? may you be mistaking? may he be mistaking? may we be mistaking? may you be mistaking? may they be mistaking?
Perfect
may I have mistaken? may you have mistaken? may he have mistaken? may we have mistaken? may you have mistaken? may they have mistaken?
V-ing perfect
may I have been mistaking? may you have been mistaking? may he have been mistaking? may we have been mistaking? may you have been mistaking? may they have been mistaking?
Interro-negative form
Simple form
mayn't I mistake? mayn't you mistake? mayn't he mistake? mayn't we mistake? mayn't you mistake? mayn't they mistake?
V-ing form
mayn't I be mistaking? mayn't you be mistaking? mayn't he be mistaking? mayn't we be mistaking? mayn't you be mistaking? mayn't they be mistaking?
Perfect
mayn't I have mistaken? mayn't you have mistaken? mayn't he have mistaken? mayn't we have mistaken? mayn't you have mistaken? mayn't they have mistaken?
V-ing perfect
mayn't I have been mistaking? mayn't you have been mistaking? mayn't he have been mistaking? mayn't we have been mistaking? mayn't you have been mistaking? mayn't they have been mistaking?