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 ought not to oppugn you ought not to oppugn he ought not to oppugn we ought not to oppugn you ought not to oppugn they ought not to oppugn	I ought not to oppugning you ought not to oppugning he ought not to oppugning we ought not to oppugning you ought not to oppugning they ought not to oppugning
Perfect	V-ing perfect
I ought not to have oppugned you ought not to have oppugned he ought not to have oppugned we ought not to have oppugned you ought not to have oppugned they ought not to have oppugned	I ought not to have been oppugning you ought not to have been oppugning he ought not to have been oppugning we ought not to have been oppugning you ought not to have been oppugning they ought not 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
ought I not to oppugn? ought you not to oppugn? ought he not to oppugn? ought we not to oppugn? ought you not to oppugn? ought they not to oppugn?	ought I not to be oppugning? ought you not to be oppugning? ought he not to be oppugning? ought we not to be oppugning? ought you not to be oppugning? ought they not to be oppugning?
Perfect	V-ing perfect
ought I not to have oppugned? ought you not to have oppugned? ought he not to have oppugned? ought we not to have oppugned? ought you not to have oppugned? ought they not to have oppugned?	ought I not to have been oppugning? ought you not to have been oppugning? ought he not to have been oppugning? ought we not to have been oppugning? ought you not to have been oppugning? ought they not to have been oppugning?