Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I must fluster fluster you must fluster fluster she must fluster fluster we must fluster fluster you must fluster fluster they must fluster fluster
V-ing form
I must be fluster flustering you must be fluster flustering she must be fluster flustering we must be fluster flustering you must be fluster flustering they must be fluster flustering
Perfect
I must have fluster flustered you must have fluster flustered she must have fluster flustered we must have fluster flustered you must have fluster flustered they must have fluster flustered
V-ing perfect
I must have been fluster flustering you must have been fluster flustering she must have been fluster flustering we must have been fluster flustering you must have been fluster flustering they must have been fluster flustering
Negation
Simple form
I must not fluster fluster you must not fluster fluster she must not fluster fluster we must not fluster fluster you must not fluster fluster they must not fluster fluster
V-ing form
I must not be fluster flustering you must not be fluster flustering she must not be fluster flustering we must not be fluster flustering you must not be fluster flustering they must not be fluster flustering
Perfect
I must not have fluster flustered you must not have fluster flustered she must not have fluster flustered we must not have fluster flustered you must not have fluster flustered they must not have fluster flustered
V-ing perfect
I must not have been fluster flustering you must not have been fluster flustering she must not have been fluster flustering we must not have been fluster flustering you must not have been fluster flustering they must not have been fluster flustering
Interrogative form
Simple form
must I fluster fluster? must you fluster fluster? must she fluster fluster? must we fluster fluster? must you fluster fluster? must they fluster fluster?
V-ing form
must I be fluster flustering? must you be fluster flustering? must she be fluster flustering? must we be fluster flustering? must you be fluster flustering? must they be fluster flustering?
Perfect
must I have fluster flustered? must you have fluster flustered? must she have fluster flustered? must we have fluster flustered? must you have fluster flustered? must they have fluster flustered?
V-ing perfect
must I have been fluster flustering? must you have been fluster flustering? must she have been fluster flustering? must we have been fluster flustering? must you have been fluster flustering? must they have been fluster flustering?
Interro-negative form
Simple form
must I not fluster fluster? must you not fluster fluster? must she not fluster fluster? must we not fluster fluster? must you not fluster fluster? must they not fluster fluster?
V-ing form
must I not be fluster flustering? must you not be fluster flustering? must she not be fluster flustering? must we not be fluster flustering? must you not be fluster flustering? must they not be fluster flustering?
Perfect
must I not have fluster flustered? must you not have fluster flustered? must she not have fluster flustered? must we not have fluster flustered? must you not have fluster flustered? must they not have fluster flustered?
V-ing perfect
must I not have been fluster flustering? must you not have been fluster flustering? must she not have been fluster flustering? must we not have been fluster flustering? must you not have been fluster flustering? must they not have been fluster flustering?