English verb conjugation
OUGHT TO COUNTERSIGN

Regular verb: countersign - countersigned - countersigned

Affirmation

Simple form	V-ing form
I ought to countersign you ought to countersign he ought to countersign we ought to countersign you ought to countersign they ought to countersign	I ought to be countersigning you ought to be countersigning he ought to be countersigning we ought to be countersigning you ought to be countersigning they ought to be countersigning
Perfect	V-ing perfect
I ought to have countersigned you ought to have countersigned he ought to have countersigned we ought to have countersigned you ought to have countersigned they ought to have countersigned	I ought to have been countersigning you ought to have been countersigning he ought to have been countersigning we ought to have been countersigning you ought to have been countersigning they ought to have been countersigning

Negation

Simple form	V-ing form
I oughtn't to countersign you oughtn't to countersign he oughtn't to countersign we oughtn't to countersign you oughtn't to countersign they oughtn't to countersign	I oughtn't to be countersigning you oughtn't to be countersigning he oughtn't to be countersigning we oughtn't to be countersigning you oughtn't to be countersigning they oughtn't to be countersigning
Perfect	V-ing perfect
I oughtn't to have countersigned you oughtn't to have countersigned he oughtn't to have countersigned we oughtn't to have countersigned you oughtn't to have countersigned they oughtn't to have countersigned	I oughtn't to have been countersigning you oughtn't to have been countersigning he oughtn't to have been countersigning we oughtn't to have been countersigning you oughtn't to have been countersigning they oughtn't to have been countersigning

Interrogative form

Simple form	V-ing form
ought to I countersign? ought to you countersign? ought to he countersign? ought to we countersign? ought to you countersign? ought to they countersign?	ought to I be countersigning? ought to you be countersigning? ought to he be countersigning? ought to we be countersigning? ought to you be countersigning? ought to they be countersigning?
Perfect	V-ing perfect
ought to I have countersigned? ought to you have countersigned? ought to he have countersigned? ought to we have countersigned? ought to you have countersigned? ought to they have countersigned?	ought to I have been countersigning? ought to you have been countersigning? ought to he have been countersigning? ought to we have been countersigning? ought to you have been countersigning? ought to they have been countersigning?

Interro-negative form

Simple form	V-ing form
oughtn't I to countersign? oughtn't you to countersign? oughtn't he to countersign? oughtn't we to countersign? oughtn't you to countersign? oughtn't they to countersign?	oughtn't I to be countersigning? oughtn't you to be countersigning? oughtn't he to be countersigning? oughtn't we to be countersigning? oughtn't you to be countersigning? oughtn't they to be countersigning?
Perfect	V-ing perfect
oughtn't I to have countersigned? oughtn't you to have countersigned? oughtn't he to have countersigned? oughtn't we to have countersigned? oughtn't you to have countersigned? oughtn't they to have countersigned?	oughtn't I to have been countersigning? oughtn't you to have been countersigning? oughtn't he to have been countersigning? oughtn't we to have been countersigning? oughtn't you to have been countersigning? oughtn't they to have been countersigning?