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