I ought to biff you ought to biff he ought to biff we ought to biff you ought to biff they ought to biff
V-ing form
I ought to be biffing you ought to be biffing he ought to be biffing we ought to be biffing you ought to be biffing they ought to be biffing
Perfect
I ought to have biffed you ought to have biffed he ought to have biffed we ought to have biffed you ought to have biffed they ought to have biffed
V-ing perfect
I ought to have been biffing you ought to have been biffing he ought to have been biffing we ought to have been biffing you ought to have been biffing they ought to have been biffing
Negation
Simple form
I ought not to biff you ought not to biff he ought not to biff we ought not to biff you ought not to biff they ought not to biff
V-ing form
I ought not to biffing you ought not to biffing he ought not to biffing we ought not to biffing you ought not to biffing they ought not to biffing
Perfect
I ought not to have biffed you ought not to have biffed he ought not to have biffed we ought not to have biffed you ought not to have biffed they ought not to have biffed
V-ing perfect
I ought not to have been biffing you ought not to have been biffing he ought not to have been biffing we ought not to have been biffing you ought not to have been biffing they ought not to have been biffing
Interrogative form
Simple form
ought to I biff? ought to you biff? ought to he biff? ought to we biff? ought to you biff? ought to they biff?
V-ing form
ought to I be biffing? ought to you be biffing? ought to he be biffing? ought to we be biffing? ought to you be biffing? ought to they be biffing?
Perfect
ought to I have biffed? ought to you have biffed? ought to he have biffed? ought to we have biffed? ought to you have biffed? ought to they have biffed?
V-ing perfect
ought to I have been biffing? ought to you have been biffing? ought to he have been biffing? ought to we have been biffing? ought to you have been biffing? ought to they have been biffing?
Interro-negative form
Simple form
ought I not to biff? ought you not to biff? ought he not to biff? ought we not to biff? ought you not to biff? ought they not to biff?
V-ing form
ought I not to be biffing? ought you not to be biffing? ought he not to be biffing? ought we not to be biffing? ought you not to be biffing? ought they not to be biffing?
Perfect
ought I not to have biffed? ought you not to have biffed? ought he not to have biffed? ought we not to have biffed? ought you not to have biffed? ought they not to have biffed?
V-ing perfect
ought I not to have been biffing? ought you not to have been biffing? ought he not to have been biffing? ought we not to have been biffing? ought you not to have been biffing? ought they not to have been biffing?