Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I must panneer you must panneer he must panneer we must panneer you must panneer they must panneer
V-ing form
I must be panneering you must be panneering he must be panneering we must be panneering you must be panneering they must be panneering
Perfect
I must have panneered you must have panneered he must have panneered we must have panneered you must have panneered they must have panneered
V-ing perfect
I must have been panneering you must have been panneering he must have been panneering we must have been panneering you must have been panneering they must have been panneering
Negation
Simple form
I mustn't panneer you mustn't panneer he mustn't panneer we mustn't panneer you mustn't panneer they mustn't panneer
V-ing form
I mustn't be panneering you mustn't be panneering he mustn't be panneering we mustn't be panneering you mustn't be panneering they mustn't be panneering
Perfect
I mustn't have panneered you mustn't have panneered he mustn't have panneered we mustn't have panneered you mustn't have panneered they mustn't have panneered
V-ing perfect
I mustn't have been panneering you mustn't have been panneering he mustn't have been panneering we mustn't have been panneering you mustn't have been panneering they mustn't have been panneering
Interrogative form
Simple form
must I panneer? must you panneer? must he panneer? must we panneer? must you panneer? must they panneer?
V-ing form
must I be panneering? must you be panneering? must he be panneering? must we be panneering? must you be panneering? must they be panneering?
Perfect
must I have panneered? must you have panneered? must he have panneered? must we have panneered? must you have panneered? must they have panneered?
V-ing perfect
must I have been panneering? must you have been panneering? must he have been panneering? must we have been panneering? must you have been panneering? must they have been panneering?
Interro-negative form
Simple form
mustn't I panneer? mustn't you panneer? mustn't he panneer? mustn't we panneer? mustn't you panneer? mustn't they panneer?
V-ing form
mustn't I be panneering? mustn't you be panneering? mustn't he be panneering? mustn't we be panneering? mustn't you be panneering? mustn't they be panneering?
Perfect
mustn't I have panneered? mustn't you have panneered? mustn't he have panneered? mustn't we have panneered? mustn't you have panneered? mustn't they have panneered?
V-ing perfect
mustn't I have been panneering? mustn't you have been panneering? mustn't he have been panneering? mustn't we have been panneering? mustn't you have been panneering? mustn't they have been panneering?