English verb conjugation
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Regular verb: declare - declared - declared

Affirmation

Simple form	V-ing form
I ought to declare you ought to declare she ought to declare we ought to declare you ought to declare they ought to declare	I ought to be declaring you ought to be declaring she ought to be declaring we ought to be declaring you ought to be declaring they ought to be declaring
Perfect	V-ing perfect
I ought to have declared you ought to have declared she ought to have declared we ought to have declared you ought to have declared they ought to have declared	I ought to have been declaring you ought to have been declaring she ought to have been declaring we ought to have been declaring you ought to have been declaring they ought to have been declaring

Negation

Simple form	V-ing form
I oughtn't to declare you oughtn't to declare she oughtn't to declare we oughtn't to declare you oughtn't to declare they oughtn't to declare	I oughtn't to be declaring you oughtn't to be declaring she oughtn't to be declaring we oughtn't to be declaring you oughtn't to be declaring they oughtn't to be declaring
Perfect	V-ing perfect
I oughtn't to have declared you oughtn't to have declared she oughtn't to have declared we oughtn't to have declared you oughtn't to have declared they oughtn't to have declared	I oughtn't to have been declaring you oughtn't to have been declaring she oughtn't to have been declaring we oughtn't to have been declaring you oughtn't to have been declaring they oughtn't to have been declaring

Interrogative form

Simple form	V-ing form
ought to I declare? ought to you declare? ought to she declare? ought to we declare? ought to you declare? ought to they declare?	ought to I be declaring? ought to you be declaring? ought to she be declaring? ought to we be declaring? ought to you be declaring? ought to they be declaring?
Perfect	V-ing perfect
ought to I have declared? ought to you have declared? ought to she have declared? ought to we have declared? ought to you have declared? ought to they have declared?	ought to I have been declaring? ought to you have been declaring? ought to she have been declaring? ought to we have been declaring? ought to you have been declaring? ought to they have been declaring?

Interro-negative form

Simple form	V-ing form
oughtn't I to declare? oughtn't you to declare? oughtn't she to declare? oughtn't we to declare? oughtn't you to declare? oughtn't they to declare?	oughtn't I to be declaring? oughtn't you to be declaring? oughtn't she to be declaring? oughtn't we to be declaring? oughtn't you to be declaring? oughtn't they to be declaring?
Perfect	V-ing perfect
oughtn't I to have declared? oughtn't you to have declared? oughtn't she to have declared? oughtn't we to have declared? oughtn't you to have declared? oughtn't they to have declared?	oughtn't I to have been declaring? oughtn't you to have been declaring? oughtn't she to have been declaring? oughtn't we to have been declaring? oughtn't you to have been declaring? oughtn't they to have been declaring?