I ought to snuff you ought to snuff he ought to snuff we ought to snuff you ought to snuff they ought to snuff
V-ing form
I ought to be snuffing you ought to be snuffing he ought to be snuffing we ought to be snuffing you ought to be snuffing they ought to be snuffing
Perfect
I ought to have snuffed you ought to have snuffed he ought to have snuffed we ought to have snuffed you ought to have snuffed they ought to have snuffed
V-ing perfect
I ought to have been snuffing you ought to have been snuffing he ought to have been snuffing we ought to have been snuffing you ought to have been snuffing they ought to have been snuffing
Negation
Simple form
I ought not to snuff you ought not to snuff he ought not to snuff we ought not to snuff you ought not to snuff they ought not to snuff
V-ing form
I ought not to snuffing you ought not to snuffing he ought not to snuffing we ought not to snuffing you ought not to snuffing they ought not to snuffing
Perfect
I ought not to have snuffed you ought not to have snuffed he ought not to have snuffed we ought not to have snuffed you ought not to have snuffed they ought not to have snuffed
V-ing perfect
I ought not to have been snuffing you ought not to have been snuffing he ought not to have been snuffing we ought not to have been snuffing you ought not to have been snuffing they ought not to have been snuffing
Interrogative form
Simple form
ought to I snuff? ought to you snuff? ought to he snuff? ought to we snuff? ought to you snuff? ought to they snuff?
V-ing form
ought to I be snuffing? ought to you be snuffing? ought to he be snuffing? ought to we be snuffing? ought to you be snuffing? ought to they be snuffing?
Perfect
ought to I have snuffed? ought to you have snuffed? ought to he have snuffed? ought to we have snuffed? ought to you have snuffed? ought to they have snuffed?
V-ing perfect
ought to I have been snuffing? ought to you have been snuffing? ought to he have been snuffing? ought to we have been snuffing? ought to you have been snuffing? ought to they have been snuffing?
Interro-negative form
Simple form
ought I not to snuff? ought you not to snuff? ought he not to snuff? ought we not to snuff? ought you not to snuff? ought they not to snuff?
V-ing form
ought I not to be snuffing? ought you not to be snuffing? ought he not to be snuffing? ought we not to be snuffing? ought you not to be snuffing? ought they not to be snuffing?
Perfect
ought I not to have snuffed? ought you not to have snuffed? ought he not to have snuffed? ought we not to have snuffed? ought you not to have snuffed? ought they not to have snuffed?
V-ing perfect
ought I not to have been snuffing? ought you not to have been snuffing? ought he not to have been snuffing? ought we not to have been snuffing? ought you not to have been snuffing? ought they not to have been snuffing?