I may scan you may scan he may scan we may scan you may scan they may scan
V-ing form
I may be scanning you may be scanning he may be scanning we may be scanning you may be scanning they may be scanning
Perfect
I may have scanned you may have scanned he 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 he 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 he 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 he 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 he 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 he 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 he scan? may we scan? may you scan? may they scan?
V-ing form
may I be scanning? may you be scanning? may he be scanning? may we be scanning? may you be scanning? may they be scanning?
Perfect
may I have scanned? may you have scanned? may he 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 he 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 he 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 he 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 he 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 he have been scanning? mayn't we have been scanning? mayn't you have been scanning? mayn't they have been scanning?