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 	
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I may not billow
you may not billow
she may not billow
we may not billow
you may not billow
they may not billow 	I may not be billowing
you may not be billowing
she may not be billowing
we may not be billowing
you may not be billowing
they may not be billowing	I may not have billowed
you may not have billowed
she may not have billowed
we may not have billowed
you may not have billowed
they may not have billowed	I may not have been billowing
you may not have been billowing
she may not have been billowing
we may not have been billowing
you may not have been billowing
they may not 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 	
may I not billow?
may you not billow?
may she not billow?
may we not billow?
may you not billow?
may they not billow? 	may I not be billowing?
may you not be billowing?
may she not be billowing?
may we not be billowing?
may you not be billowing?
may they not be billowing? 	may I not have billowed?
may you not have billowed?
may she not have billowed?
may we not have billowed?
may you not have billowed?
may they not have billowed? 	may I not have been billowing?
may you not have been billowing?
may she not have been billowing?
may we not have been billowing?
may you not have been billowing?
may they not have been billowing?