I ought to woof you ought to woof he ought to woof we ought to woof you ought to woof they ought to woof
V-ing form
I ought to be woofing you ought to be woofing he ought to be woofing we ought to be woofing you ought to be woofing they ought to be woofing
Perfect
I ought to have woofed you ought to have woofed he ought to have woofed we ought to have woofed you ought to have woofed they ought to have woofed
V-ing perfect
I ought to have been woofing you ought to have been woofing he ought to have been woofing we ought to have been woofing you ought to have been woofing they ought to have been woofing
Negation
Simple form
I oughtn't to woof you oughtn't to woof he oughtn't to woof we oughtn't to woof you oughtn't to woof they oughtn't to woof
V-ing form
I oughtn't to be woofing you oughtn't to be woofing he oughtn't to be woofing we oughtn't to be woofing you oughtn't to be woofing they oughtn't to be woofing
Perfect
I oughtn't to have woofed you oughtn't to have woofed he oughtn't to have woofed we oughtn't to have woofed you oughtn't to have woofed they oughtn't to have woofed
V-ing perfect
I oughtn't to have been woofing you oughtn't to have been woofing he oughtn't to have been woofing we oughtn't to have been woofing you oughtn't to have been woofing they oughtn't to have been woofing
Interrogative form
Simple form
ought to I woof? ought to you woof? ought to he woof? ought to we woof? ought to you woof? ought to they woof?
V-ing form
ought to I be woofing? ought to you be woofing? ought to he be woofing? ought to we be woofing? ought to you be woofing? ought to they be woofing?
Perfect
ought to I have woofed? ought to you have woofed? ought to he have woofed? ought to we have woofed? ought to you have woofed? ought to they have woofed?
V-ing perfect
ought to I have been woofing? ought to you have been woofing? ought to he have been woofing? ought to we have been woofing? ought to you have been woofing? ought to they have been woofing?
Interro-negative form
Simple form
oughtn't I to woof? oughtn't you to woof? oughtn't he to woof? oughtn't we to woof? oughtn't you to woof? oughtn't they to woof?
V-ing form
oughtn't I to be woofing? oughtn't you to be woofing? oughtn't he to be woofing? oughtn't we to be woofing? oughtn't you to be woofing? oughtn't they to be woofing?
Perfect
oughtn't I to have woofed? oughtn't you to have woofed? oughtn't he to have woofed? oughtn't we to have woofed? oughtn't you to have woofed? oughtn't they to have woofed?
V-ing perfect
oughtn't I to have been woofing? oughtn't you to have been woofing? oughtn't he to have been woofing? oughtn't we to have been woofing? oughtn't you to have been woofing? oughtn't they to have been woofing?