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