English verb conjugation
MAY ROLF

Regular verb: rolf - rolfed - rolfed

Affirmation

Simple form	V-ing form
I may rolf you may rolf she may rolf we may rolf you may rolf they may rolf	I may be rolfing you may be rolfing she may be rolfing we may be rolfing you may be rolfing they may be rolfing
Perfect	V-ing perfect
I may have rolfed you may have rolfed she may have rolfed we may have rolfed you may have rolfed they may have rolfed	I may have been rolfing you may have been rolfing she may have been rolfing we may have been rolfing you may have been rolfing they may have been rolfing

Negation

Simple form	V-ing form
I mayn't rolf you mayn't rolf she mayn't rolf we mayn't rolf you mayn't rolf they mayn't rolf	I mayn't be rolfing you mayn't be rolfing she mayn't be rolfing we mayn't be rolfing you mayn't be rolfing they mayn't be rolfing
Perfect	V-ing perfect
I mayn't have rolfed you mayn't have rolfed she mayn't have rolfed we mayn't have rolfed you mayn't have rolfed they mayn't have rolfed	I mayn't have been rolfing you mayn't have been rolfing she mayn't have been rolfing we mayn't have been rolfing you mayn't have been rolfing they mayn't have been rolfing

Interrogative form

Simple form	V-ing form
may I rolf? may you rolf? may she rolf? may we rolf? may you rolf? may they rolf?	may I be rolfing? may you be rolfing? may she be rolfing? may we be rolfing? may you be rolfing? may they be rolfing?
Perfect	V-ing perfect
may I have rolfed? may you have rolfed? may she have rolfed? may we have rolfed? may you have rolfed? may they have rolfed?	may I have been rolfing? may you have been rolfing? may she have been rolfing? may we have been rolfing? may you have been rolfing? may they have been rolfing?

Interro-negative form

Simple form	V-ing form
mayn't I rolf? mayn't you rolf? mayn't she rolf? mayn't we rolf? mayn't you rolf? mayn't they rolf?	mayn't I be rolfing? mayn't you be rolfing? mayn't she be rolfing? mayn't we be rolfing? mayn't you be rolfing? mayn't they be rolfing?
Perfect	V-ing perfect
mayn't I have rolfed? mayn't you have rolfed? mayn't she have rolfed? mayn't we have rolfed? mayn't you have rolfed? mayn't they have rolfed?	mayn't I have been rolfing? mayn't you have been rolfing? mayn't she have been rolfing? mayn't we have been rolfing? mayn't you have been rolfing? mayn't they have been rolfing?