English verb conjugation
OUGHT TO SIGN

Regular verb: sign - signed - signed

Affirmation

Simple form	V-ing form
I ought to sign you ought to sign he ought to sign we ought to sign you ought to sign they ought to sign	I ought to be signing you ought to be signing he ought to be signing we ought to be signing you ought to be signing they ought to be signing
Perfect	V-ing perfect
I ought to have signed you ought to have signed he ought to have signed we ought to have signed you ought to have signed they ought to have signed	I ought to have been signing you ought to have been signing he ought to have been signing we ought to have been signing you ought to have been signing they ought to have been signing

Negation

Simple form	V-ing form
I oughtn't to sign you oughtn't to sign he oughtn't to sign we oughtn't to sign you oughtn't to sign they oughtn't to sign	I oughtn't to be signing you oughtn't to be signing he oughtn't to be signing we oughtn't to be signing you oughtn't to be signing they oughtn't to be signing
Perfect	V-ing perfect
I oughtn't to have signed you oughtn't to have signed he oughtn't to have signed we oughtn't to have signed you oughtn't to have signed they oughtn't to have signed	I oughtn't to have been signing you oughtn't to have been signing he oughtn't to have been signing we oughtn't to have been signing you oughtn't to have been signing they oughtn't to have been signing

Interrogative form

Simple form	V-ing form
ought to I sign? ought to you sign? ought to he sign? ought to we sign? ought to you sign? ought to they sign?	ought to I be signing? ought to you be signing? ought to he be signing? ought to we be signing? ought to you be signing? ought to they be signing?
Perfect	V-ing perfect
ought to I have signed? ought to you have signed? ought to he have signed? ought to we have signed? ought to you have signed? ought to they have signed?	ought to I have been signing? ought to you have been signing? ought to he have been signing? ought to we have been signing? ought to you have been signing? ought to they have been signing?

Interro-negative form

Simple form	V-ing form
oughtn't I to sign? oughtn't you to sign? oughtn't he to sign? oughtn't we to sign? oughtn't you to sign? oughtn't they to sign?	oughtn't I to be signing? oughtn't you to be signing? oughtn't he to be signing? oughtn't we to be signing? oughtn't you to be signing? oughtn't they to be signing?
Perfect	V-ing perfect
oughtn't I to have signed? oughtn't you to have signed? oughtn't he to have signed? oughtn't we to have signed? oughtn't you to have signed? oughtn't they to have signed?	oughtn't I to have been signing? oughtn't you to have been signing? oughtn't he to have been signing? oughtn't we to have been signing? oughtn't you to have been signing? oughtn't they to have been signing?