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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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?