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