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