English verb conjugation
MAY CROSSRUFF

Regular verb: crossruff - crossruffed - crossruffed

Affirmation

Simple form	V-ing form
I may crossruff you may crossruff he may crossruff we may crossruff you may crossruff they may crossruff	I may be crossruffing you may be crossruffing he may be crossruffing we may be crossruffing you may be crossruffing they may be crossruffing
Perfect	V-ing perfect
I may have crossruffed you may have crossruffed he may have crossruffed we may have crossruffed you may have crossruffed they may have crossruffed	I may have been crossruffing you may have been crossruffing he may have been crossruffing we may have been crossruffing you may have been crossruffing they may have been crossruffing

Negation

Simple form	V-ing form
I mayn't crossruff you mayn't crossruff he mayn't crossruff we mayn't crossruff you mayn't crossruff they mayn't crossruff	I mayn't be crossruffing you mayn't be crossruffing he mayn't be crossruffing we mayn't be crossruffing you mayn't be crossruffing they mayn't be crossruffing
Perfect	V-ing perfect
I mayn't have crossruffed you mayn't have crossruffed he mayn't have crossruffed we mayn't have crossruffed you mayn't have crossruffed they mayn't have crossruffed	I mayn't have been crossruffing you mayn't have been crossruffing he mayn't have been crossruffing we mayn't have been crossruffing you mayn't have been crossruffing they mayn't have been crossruffing

Interrogative form

Simple form	V-ing form
may I crossruff? may you crossruff? may he crossruff? may we crossruff? may you crossruff? may they crossruff?	may I be crossruffing? may you be crossruffing? may he be crossruffing? may we be crossruffing? may you be crossruffing? may they be crossruffing?
Perfect	V-ing perfect
may I have crossruffed? may you have crossruffed? may he have crossruffed? may we have crossruffed? may you have crossruffed? may they have crossruffed?	may I have been crossruffing? may you have been crossruffing? may he have been crossruffing? may we have been crossruffing? may you have been crossruffing? may they have been crossruffing?

Interro-negative form

Simple form	V-ing form
mayn't I crossruff? mayn't you crossruff? mayn't he crossruff? mayn't we crossruff? mayn't you crossruff? mayn't they crossruff?	mayn't I be crossruffing? mayn't you be crossruffing? mayn't he be crossruffing? mayn't we be crossruffing? mayn't you be crossruffing? mayn't they be crossruffing?
Perfect	V-ing perfect
mayn't I have crossruffed? mayn't you have crossruffed? mayn't he have crossruffed? mayn't we have crossruffed? mayn't you have crossruffed? mayn't they have crossruffed?	mayn't I have been crossruffing? mayn't you have been crossruffing? mayn't he have been crossruffing? mayn't we have been crossruffing? mayn't you have been crossruffing? mayn't they have been crossruffing?