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