I ought to disconfirm you ought to disconfirm she ought to disconfirm we ought to disconfirm you ought to disconfirm they ought to disconfirm
V-ing form
I ought to be disconfirming you ought to be disconfirming she ought to be disconfirming we ought to be disconfirming you ought to be disconfirming they ought to be disconfirming
Perfect
I ought to have disconfirmed you ought to have disconfirmed she ought to have disconfirmed we ought to have disconfirmed you ought to have disconfirmed they ought to have disconfirmed
V-ing perfect
I ought to have been disconfirming you ought to have been disconfirming she ought to have been disconfirming we ought to have been disconfirming you ought to have been disconfirming they ought to have been disconfirming
Negation
Simple form
I oughtn't to disconfirm you oughtn't to disconfirm she oughtn't to disconfirm we oughtn't to disconfirm you oughtn't to disconfirm they oughtn't to disconfirm
V-ing form
I oughtn't to be disconfirming you oughtn't to be disconfirming she oughtn't to be disconfirming we oughtn't to be disconfirming you oughtn't to be disconfirming they oughtn't to be disconfirming
Perfect
I oughtn't to have disconfirmed you oughtn't to have disconfirmed she oughtn't to have disconfirmed we oughtn't to have disconfirmed you oughtn't to have disconfirmed they oughtn't to have disconfirmed
V-ing perfect
I oughtn't to have been disconfirming you oughtn't to have been disconfirming she oughtn't to have been disconfirming we oughtn't to have been disconfirming you oughtn't to have been disconfirming they oughtn't to have been disconfirming
Interrogative form
Simple form
ought to I disconfirm? ought to you disconfirm? ought to she disconfirm? ought to we disconfirm? ought to you disconfirm? ought to they disconfirm?
V-ing form
ought to I be disconfirming? ought to you be disconfirming? ought to she be disconfirming? ought to we be disconfirming? ought to you be disconfirming? ought to they be disconfirming?
Perfect
ought to I have disconfirmed? ought to you have disconfirmed? ought to she have disconfirmed? ought to we have disconfirmed? ought to you have disconfirmed? ought to they have disconfirmed?
V-ing perfect
ought to I have been disconfirming? ought to you have been disconfirming? ought to she have been disconfirming? ought to we have been disconfirming? ought to you have been disconfirming? ought to they have been disconfirming?
Interro-negative form
Simple form
oughtn't I to disconfirm? oughtn't you to disconfirm? oughtn't she to disconfirm? oughtn't we to disconfirm? oughtn't you to disconfirm? oughtn't they to disconfirm?
V-ing form
oughtn't I to be disconfirming? oughtn't you to be disconfirming? oughtn't she to be disconfirming? oughtn't we to be disconfirming? oughtn't you to be disconfirming? oughtn't they to be disconfirming?
Perfect
oughtn't I to have disconfirmed? oughtn't you to have disconfirmed? oughtn't she to have disconfirmed? oughtn't we to have disconfirmed? oughtn't you to have disconfirmed? oughtn't they to have disconfirmed?
V-ing perfect
oughtn't I to have been disconfirming? oughtn't you to have been disconfirming? oughtn't she to have been disconfirming? oughtn't we to have been disconfirming? oughtn't you to have been disconfirming? oughtn't they to have been disconfirming?