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