I may vault you may vault he may vault we may vault you may vault they may vault
V-ing form
I may be vaulting you may be vaulting he may be vaulting we may be vaulting you may be vaulting they may be vaulting
Perfect
I may have vaulted you may have vaulted he may have vaulted we may have vaulted you may have vaulted they may have vaulted
V-ing perfect
I may have been vaulting you may have been vaulting he may have been vaulting we may have been vaulting you may have been vaulting they may have been vaulting
Negation
Simple form
I mayn't vault you mayn't vault he mayn't vault we mayn't vault you mayn't vault they mayn't vault
V-ing form
I mayn't be vaulting you mayn't be vaulting he mayn't be vaulting we mayn't be vaulting you mayn't be vaulting they mayn't be vaulting
Perfect
I mayn't have vaulted you mayn't have vaulted he mayn't have vaulted we mayn't have vaulted you mayn't have vaulted they mayn't have vaulted
V-ing perfect
I mayn't have been vaulting you mayn't have been vaulting he mayn't have been vaulting we mayn't have been vaulting you mayn't have been vaulting they mayn't have been vaulting
Interrogative form
Simple form
may I vault? may you vault? may he vault? may we vault? may you vault? may they vault?
V-ing form
may I be vaulting? may you be vaulting? may he be vaulting? may we be vaulting? may you be vaulting? may they be vaulting?
Perfect
may I have vaulted? may you have vaulted? may he have vaulted? may we have vaulted? may you have vaulted? may they have vaulted?
V-ing perfect
may I have been vaulting? may you have been vaulting? may he have been vaulting? may we have been vaulting? may you have been vaulting? may they have been vaulting?
Interro-negative form
Simple form
mayn't I vault? mayn't you vault? mayn't he vault? mayn't we vault? mayn't you vault? mayn't they vault?
V-ing form
mayn't I be vaulting? mayn't you be vaulting? mayn't he be vaulting? mayn't we be vaulting? mayn't you be vaulting? mayn't they be vaulting?
Perfect
mayn't I have vaulted? mayn't you have vaulted? mayn't he have vaulted? mayn't we have vaulted? mayn't you have vaulted? mayn't they have vaulted?
V-ing perfect
mayn't I have been vaulting? mayn't you have been vaulting? mayn't he have been vaulting? mayn't we have been vaulting? mayn't you have been vaulting? mayn't they have been vaulting?