I must kibitz you must kibitz he must kibitz we must kibitz you must kibitz they must kibitz
Forme en V-ing
I must be kibitzing you must be kibitzing he must be kibitzing we must be kibitzing you must be kibitzing they must be kibitzing
Perfect
I must have kibitzed you must have kibitzed he must have kibitzed we must have kibitzed you must have kibitzed they must have kibitzed
Perfect en V-ing
I must have been kibitzing you must have been kibitzing he must have been kibitzing we must have been kibitzing you must have been kibitzing they must have been kibitzing
Négation
Forme simple
I mustn't kibitz you mustn't kibitz he mustn't kibitz we mustn't kibitz you mustn't kibitz they mustn't kibitz
Forme en V-ing
I mustn't be kibitzing you mustn't be kibitzing he mustn't be kibitzing we mustn't be kibitzing you mustn't be kibitzing they mustn't be kibitzing
Perfect
I mustn't have kibitzed you mustn't have kibitzed he mustn't have kibitzed we mustn't have kibitzed you mustn't have kibitzed they mustn't have kibitzed
Perfect en V-ing
I mustn't have been kibitzing you mustn't have been kibitzing he mustn't have been kibitzing we mustn't have been kibitzing you mustn't have been kibitzing they mustn't have been kibitzing
Forme interrogative
Forme simple
must I kibitz? must you kibitz? must he kibitz? must we kibitz? must you kibitz? must they kibitz?
Forme en V-ing
must I be kibitzing? must you be kibitzing? must he be kibitzing? must we be kibitzing? must you be kibitzing? must they be kibitzing?
Perfect
must I have kibitzed? must you have kibitzed? must he have kibitzed? must we have kibitzed? must you have kibitzed? must they have kibitzed?
Perfect en V-ing
must I have been kibitzing? must you have been kibitzing? must he have been kibitzing? must we have been kibitzing? must you have been kibitzing? must they have been kibitzing?
Forme interro-négative
Forme simple
mustn't I kibitz? mustn't you kibitz? mustn't he kibitz? mustn't we kibitz? mustn't you kibitz? mustn't they kibitz?
Forme en V-ing
mustn't I be kibitzing? mustn't you be kibitzing? mustn't he be kibitzing? mustn't we be kibitzing? mustn't you be kibitzing? mustn't they be kibitzing?
Perfect
mustn't I have kibitzed? mustn't you have kibitzed? mustn't he have kibitzed? mustn't we have kibitzed? mustn't you have kibitzed? mustn't they have kibitzed?
Perfect en V-ing
mustn't I have been kibitzing? mustn't you have been kibitzing? mustn't he have been kibitzing? mustn't we have been kibitzing? mustn't you have been kibitzing? mustn't they have been kibitzing?