English verb conjugation
MAY RUFF

Regular verb: ruff - ruffed - ruffed

Affirmation

Simple form	V-ing form
I may ruff you may ruff he may ruff we may ruff you may ruff they may ruff	I may be ruffing you may be ruffing he may be ruffing we may be ruffing you may be ruffing they may be ruffing
Perfect	V-ing perfect
I may have ruffed you may have ruffed he may have ruffed we may have ruffed you may have ruffed they may have ruffed	I may have been ruffing you may have been ruffing he may have been ruffing we may have been ruffing you may have been ruffing they may have been ruffing

Negation

Simple form	V-ing form
I mayn't ruff you mayn't ruff he mayn't ruff we mayn't ruff you mayn't ruff they mayn't ruff	I mayn't be ruffing you mayn't be ruffing he mayn't be ruffing we mayn't be ruffing you mayn't be ruffing they mayn't be ruffing
Perfect	V-ing perfect
I mayn't have ruffed you mayn't have ruffed he mayn't have ruffed we mayn't have ruffed you mayn't have ruffed they mayn't have ruffed	I mayn't have been ruffing you mayn't have been ruffing he mayn't have been ruffing we mayn't have been ruffing you mayn't have been ruffing they mayn't have been ruffing

Interrogative form

Simple form	V-ing form
may I ruff? may you ruff? may he ruff? may we ruff? may you ruff? may they ruff?	may I be ruffing? may you be ruffing? may he be ruffing? may we be ruffing? may you be ruffing? may they be ruffing?
Perfect	V-ing perfect
may I have ruffed? may you have ruffed? may he have ruffed? may we have ruffed? may you have ruffed? may they have ruffed?	may I have been ruffing? may you have been ruffing? may he have been ruffing? may we have been ruffing? may you have been ruffing? may they have been ruffing?

Interro-negative form

Simple form	V-ing form
mayn't I ruff? mayn't you ruff? mayn't he ruff? mayn't we ruff? mayn't you ruff? mayn't they ruff?	mayn't I be ruffing? mayn't you be ruffing? mayn't he be ruffing? mayn't we be ruffing? mayn't you be ruffing? mayn't they be ruffing?
Perfect	V-ing perfect
mayn't I have ruffed? mayn't you have ruffed? mayn't he have ruffed? mayn't we have ruffed? mayn't you have ruffed? mayn't they have ruffed?	mayn't I have been ruffing? mayn't you have been ruffing? mayn't he have been ruffing? mayn't we have been ruffing? mayn't you have been ruffing? mayn't they have been ruffing?