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