I may scan you may scan she may scan we may scan you may scan they may scan
V-ing form
I may be scanning you may be scanning she may be scanning we may be scanning you may be scanning they may be scanning
Perfect
I may have scanned you may have scanned she may have scanned we may have scanned you may have scanned they may have scanned
V-ing perfect
I may have been scanning you may have been scanning she may have been scanning we may have been scanning you may have been scanning they may have been scanning
Negation
Simple form
I mayn't scan you mayn't scan she mayn't scan we mayn't scan you mayn't scan they mayn't scan
V-ing form
I mayn't be scanning you mayn't be scanning she mayn't be scanning we mayn't be scanning you mayn't be scanning they mayn't be scanning
Perfect
I mayn't have scanned you mayn't have scanned she mayn't have scanned we mayn't have scanned you mayn't have scanned they mayn't have scanned
V-ing perfect
I mayn't have been scanning you mayn't have been scanning she mayn't have been scanning we mayn't have been scanning you mayn't have been scanning they mayn't have been scanning
Interrogative form
Simple form
may I scan? may you scan? may she scan? may we scan? may you scan? may they scan?
V-ing form
may I be scanning? may you be scanning? may she be scanning? may we be scanning? may you be scanning? may they be scanning?
Perfect
may I have scanned? may you have scanned? may she have scanned? may we have scanned? may you have scanned? may they have scanned?
V-ing perfect
may I have been scanning? may you have been scanning? may she have been scanning? may we have been scanning? may you have been scanning? may they have been scanning?
Interro-negative form
Simple form
mayn't I scan? mayn't you scan? mayn't she scan? mayn't we scan? mayn't you scan? mayn't they scan?
V-ing form
mayn't I be scanning? mayn't you be scanning? mayn't she be scanning? mayn't we be scanning? mayn't you be scanning? mayn't they be scanning?
Perfect
mayn't I have scanned? mayn't you have scanned? mayn't she have scanned? mayn't we have scanned? mayn't you have scanned? mayn't they have scanned?
V-ing perfect
mayn't I have been scanning? mayn't you have been scanning? mayn't she have been scanning? mayn't we have been scanning? mayn't you have been scanning? mayn't they have been scanning?