may billow
Regular verb: billow - billowed- billowed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may billow
you may billow
she may billow
we may billow
you may billow
they may billow 	I may be billowing
you may be billowing
she may be billowing
we may be billowing
you may be billowing
they may be billowing	I may have billowed
you may have billowed
she may have billowed
we may have billowed
you may have billowed
they may have billowed	I may have been billowing
you may have been billowing
she may have been billowing
we may have been billowing
you may have been billowing
they may have been billowing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't billow
you mayn't billow
she mayn't billow
we mayn't billow
you mayn't billow
they mayn't billow 	I mayn't be billowing
you mayn't be billowing
she mayn't be billowing
we mayn't be billowing
you mayn't be billowing
they mayn't be billowing	I mayn't have billowed
you mayn't have billowed
she mayn't have billowed
we mayn't have billowed
you mayn't have billowed
they mayn't have billowed	I mayn't have been billowing
you mayn't have been billowing
she mayn't have been billowing
we mayn't have been billowing
you mayn't have been billowing
they mayn't have been billowing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I billow?
may you billow?
may she billow?
may we billow?
may you billow?
may they billow? 	may I be billowing?
may you be billowing?
may she be billowing?
may we be billowing?
may you be billowing?
may they be billowing? 	may I have billowed?
may you have billowed?
may she have billowed?
may we have billowed?
may you have billowed?
may they have billowed? 	may I have been billowing?
may you have been billowing?
may she have been billowing?
may we have been billowing?
may you have been billowing?
may they have been billowing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I billow?
mayn't you billow?
mayn't she billow?
mayn't we billow?
mayn't you billow?
mayn't they billow? 	mayn't I be billowing?
mayn't you be billowing?
mayn't she be billowing?
mayn't we be billowing?
mayn't you be billowing?
mayn't they be billowing? 	mayn't I have billowed?
mayn't you have billowed?
mayn't she have billowed?
mayn't we have billowed?
mayn't you have billowed?
mayn't they have billowed? 	mayn't I have been billowing?
mayn't you have been billowing?
mayn't she have been billowing?
mayn't we have been billowing?
mayn't you have been billowing?
mayn't they have been billowing?