English verb conjugation
OUGHT TO OPPUGN

Regular verb: oppugn - oppugned - oppugned

Affirmation

Simple form	V-ing form
I ought to oppugn you ought to oppugn he ought to oppugn we ought to oppugn you ought to oppugn they ought to oppugn	I ought to be oppugning you ought to be oppugning he ought to be oppugning we ought to be oppugning you ought to be oppugning they ought to be oppugning
Perfect	V-ing perfect
I ought to have oppugned you ought to have oppugned he ought to have oppugned we ought to have oppugned you ought to have oppugned they ought to have oppugned	I ought to have been oppugning you ought to have been oppugning he ought to have been oppugning we ought to have been oppugning you ought to have been oppugning they ought to have been oppugning

Negation

Simple form	V-ing form
I oughtn't to oppugn you oughtn't to oppugn he oughtn't to oppugn we oughtn't to oppugn you oughtn't to oppugn they oughtn't to oppugn	I oughtn't to be oppugning you oughtn't to be oppugning he oughtn't to be oppugning we oughtn't to be oppugning you oughtn't to be oppugning they oughtn't to be oppugning
Perfect	V-ing perfect
I oughtn't to have oppugned you oughtn't to have oppugned he oughtn't to have oppugned we oughtn't to have oppugned you oughtn't to have oppugned they oughtn't to have oppugned	I oughtn't to have been oppugning you oughtn't to have been oppugning he oughtn't to have been oppugning we oughtn't to have been oppugning you oughtn't to have been oppugning they oughtn't to have been oppugning

Interrogative form

Simple form	V-ing form
ought to I oppugn? ought to you oppugn? ought to he oppugn? ought to we oppugn? ought to you oppugn? ought to they oppugn?	ought to I be oppugning? ought to you be oppugning? ought to he be oppugning? ought to we be oppugning? ought to you be oppugning? ought to they be oppugning?
Perfect	V-ing perfect
ought to I have oppugned? ought to you have oppugned? ought to he have oppugned? ought to we have oppugned? ought to you have oppugned? ought to they have oppugned?	ought to I have been oppugning? ought to you have been oppugning? ought to he have been oppugning? ought to we have been oppugning? ought to you have been oppugning? ought to they have been oppugning?

Interro-negative form

Simple form	V-ing form
oughtn't I to oppugn? oughtn't you to oppugn? oughtn't he to oppugn? oughtn't we to oppugn? oughtn't you to oppugn? oughtn't they to oppugn?	oughtn't I to be oppugning? oughtn't you to be oppugning? oughtn't he to be oppugning? oughtn't we to be oppugning? oughtn't you to be oppugning? oughtn't they to be oppugning?
Perfect	V-ing perfect
oughtn't I to have oppugned? oughtn't you to have oppugned? oughtn't he to have oppugned? oughtn't we to have oppugned? oughtn't you to have oppugned? oughtn't they to have oppugned?	oughtn't I to have been oppugning? oughtn't you to have been oppugning? oughtn't he to have been oppugning? oughtn't we to have been oppugning? oughtn't you to have been oppugning? oughtn't they to have been oppugning?