English verb conjugation
MAY MUSTER

Regular verb: muster - mustered - mustered

Affirmation

Simple form	V-ing form
I may muster you may muster she may muster we may muster you may muster they may muster	I may be mustering you may be mustering she may be mustering we may be mustering you may be mustering they may be mustering
Perfect	V-ing perfect
I may have mustered you may have mustered she may have mustered we may have mustered you may have mustered they may have mustered	I may have been mustering you may have been mustering she may have been mustering we may have been mustering you may have been mustering they may have been mustering

Negation

Simple form	V-ing form
I mayn't muster you mayn't muster she mayn't muster we mayn't muster you mayn't muster they mayn't muster	I mayn't be mustering you mayn't be mustering she mayn't be mustering we mayn't be mustering you mayn't be mustering they mayn't be mustering
Perfect	V-ing perfect
I mayn't have mustered you mayn't have mustered she mayn't have mustered we mayn't have mustered you mayn't have mustered they mayn't have mustered	I mayn't have been mustering you mayn't have been mustering she mayn't have been mustering we mayn't have been mustering you mayn't have been mustering they mayn't have been mustering

Interrogative form

Simple form	V-ing form
may I muster? may you muster? may she muster? may we muster? may you muster? may they muster?	may I be mustering? may you be mustering? may she be mustering? may we be mustering? may you be mustering? may they be mustering?
Perfect	V-ing perfect
may I have mustered? may you have mustered? may she have mustered? may we have mustered? may you have mustered? may they have mustered?	may I have been mustering? may you have been mustering? may she have been mustering? may we have been mustering? may you have been mustering? may they have been mustering?

Interro-negative form

Simple form	V-ing form
mayn't I muster? mayn't you muster? mayn't she muster? mayn't we muster? mayn't you muster? mayn't they muster?	mayn't I be mustering? mayn't you be mustering? mayn't she be mustering? mayn't we be mustering? mayn't you be mustering? mayn't they be mustering?
Perfect	V-ing perfect
mayn't I have mustered? mayn't you have mustered? mayn't she have mustered? mayn't we have mustered? mayn't you have mustered? mayn't they have mustered?	mayn't I have been mustering? mayn't you have been mustering? mayn't she have been mustering? mayn't we have been mustering? mayn't you have been mustering? mayn't they have been mustering?