may crossruff
Regular verb: crossruff - crossruffed- crossruffed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?