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