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