may billow
Regular verb: billow - billowed- billowed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may billow
you may billow
he may billow
we may billow
you may billow
they may billow 	I may be billowing
you may be billowing
he may be billowing
we may be billowing
you may be billowing
they may be billowing	I may have billowed
you may have billowed
he 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
he 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
he 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
he 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
he 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
he 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 he billow?
may we billow?
may you billow?
may they billow? 	may I be billowing?
may you be billowing?
may he be billowing?
may we be billowing?
may you be billowing?
may they be billowing? 	may I have billowed?
may you have billowed?
may he 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 he 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 he 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 he 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 he 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 he have been billowing?
mayn't we have been billowing?
mayn't you have been billowing?
mayn't they have been billowing?