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