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 may not scan you may not scan he may not scan we may not scan you may not scan they may not scan
V-ing form
I may not be scanning you may not be scanning he may not be scanning we may not be scanning you may not be scanning they may not be scanning
Perfect
I may not have scanned you may not have scanned he may not have scanned we may not have scanned you may not have scanned they may not have scanned
V-ing perfect
I may not have been scanning you may not have been scanning he may not have been scanning we may not have been scanning you may not have been scanning they may not 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
may I not scan? may you not scan? may he not scan? may we not scan? may you not scan? may they not scan?
V-ing form
may I not be scanning? may you not be scanning? may he not be scanning? may we not be scanning? may you not be scanning? may they not be scanning?
Perfect
may I not have scanned? may you not have scanned? may he not have scanned? may we not have scanned? may you not have scanned? may they not have scanned?
V-ing perfect
may I not have been scanning? may you not have been scanning? may he not have been scanning? may we not have been scanning? may you not have been scanning? may they not have been scanning?