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