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