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 must not panneer you must not panneer he must not panneer we must not panneer you must not panneer they must not panneer
V-ing form
I must not be panneering you must not be panneering he must not be panneering we must not be panneering you must not be panneering they must not be panneering
Perfect
I must not have panneered you must not have panneered he must not have panneered we must not have panneered you must not have panneered they must not have panneered
V-ing perfect
I must not have been panneering you must not have been panneering he must not have been panneering we must not have been panneering you must not have been panneering they must not 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
must I not panneer? must you not panneer? must he not panneer? must we not panneer? must you not panneer? must they not panneer?
V-ing form
must I not be panneering? must you not be panneering? must he not be panneering? must we not be panneering? must you not be panneering? must they not be panneering?
Perfect
must I not have panneered? must you not have panneered? must he not have panneered? must we not have panneered? must you not have panneered? must they not have panneered?
V-ing perfect
must I not have been panneering? must you not have been panneering? must he not have been panneering? must we not have been panneering? must you not have been panneering? must they not have been panneering?