English verb conjugation
MAY ROISTER

Regular verb: roister - roistered - roistered

Affirmation

Simple form	V-ing form
I may roister you may roister she may roister we may roister you may roister they may roister	I may be roistering you may be roistering she may be roistering we may be roistering you may be roistering they may be roistering
Perfect	V-ing perfect
I may have roistered you may have roistered she may have roistered we may have roistered you may have roistered they may have roistered	I may have been roistering you may have been roistering she may have been roistering we may have been roistering you may have been roistering they may have been roistering

Negation

Simple form	V-ing form
I mayn't roister you mayn't roister she mayn't roister we mayn't roister you mayn't roister they mayn't roister	I mayn't be roistering you mayn't be roistering she mayn't be roistering we mayn't be roistering you mayn't be roistering they mayn't be roistering
Perfect	V-ing perfect
I mayn't have roistered you mayn't have roistered she mayn't have roistered we mayn't have roistered you mayn't have roistered they mayn't have roistered	I mayn't have been roistering you mayn't have been roistering she mayn't have been roistering we mayn't have been roistering you mayn't have been roistering they mayn't have been roistering

Interrogative form

Simple form	V-ing form
may I roister? may you roister? may she roister? may we roister? may you roister? may they roister?	may I be roistering? may you be roistering? may she be roistering? may we be roistering? may you be roistering? may they be roistering?
Perfect	V-ing perfect
may I have roistered? may you have roistered? may she have roistered? may we have roistered? may you have roistered? may they have roistered?	may I have been roistering? may you have been roistering? may she have been roistering? may we have been roistering? may you have been roistering? may they have been roistering?

Interro-negative form

Simple form	V-ing form
mayn't I roister? mayn't you roister? mayn't she roister? mayn't we roister? mayn't you roister? mayn't they roister?	mayn't I be roistering? mayn't you be roistering? mayn't she be roistering? mayn't we be roistering? mayn't you be roistering? mayn't they be roistering?
Perfect	V-ing perfect
mayn't I have roistered? mayn't you have roistered? mayn't she have roistered? mayn't we have roistered? mayn't you have roistered? mayn't they have roistered?	mayn't I have been roistering? mayn't you have been roistering? mayn't she have been roistering? mayn't we have been roistering? mayn't you have been roistering? mayn't they have been roistering?