ought to billow
Regular verb: billow - billowed- billowed

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to billow
you ought not to billow
she ought not to billow
we ought not to billow
you ought not to billow
they ought not to billow 	I ought not to billowing
you ought not to billowing
she ought not to billowing
we ought not to billowing
you ought not to billowing
they ought not to billowing	I ought not to have billowed
you ought not to have billowed
she ought not to have billowed
we ought not to have billowed
you ought not to have billowed
they ought not to have billowed	I ought not to have been billowing
you ought not to have been billowing
she ought not to have been billowing
we ought not to have been billowing
you ought not to have been billowing
they ought not to have been billowing	

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

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to billow?
ought you not to billow?
ought she not to billow?
ought we not to billow?
ought you not to billow?
ought they not to billow? 	ought I not to be billowing?
ought you not to be billowing?
ought she not to be billowing?
ought we not to be billowing?
ought you not to be billowing?
ought they not to be billowing? 	ought I not to have billowed?
ought you not to have billowed?
ought she not to have billowed?
ought we not to have billowed?
ought you not to have billowed?
ought they not to have billowed? 	ought I not to have been billowing?
ought you not to have been billowing?
ought she not to have been billowing?
ought we not to have been billowing?
ought you not to have been billowing?
ought they not to have been billowing?