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