English verb conjugation
SHOULD OPPUGN

Regular verb: oppugn - oppugned - oppugned

Affirmation

Simple form	V-ing form
I should oppugn you should oppugn she should oppugn we should oppugn you should oppugn they should oppugn	I should be oppugning you should be oppugning she should be oppugning we should be oppugning you should be oppugning they should be oppugning
Perfect	V-ing perfect
I should have oppugned you should have oppugned she should have oppugned we should have oppugned you should have oppugned they should have oppugned	I should have been oppugning you should have been oppugning she should have been oppugning we should have been oppugning you should have been oppugning they should have been oppugning

Negation

Simple form	V-ing form
I should not oppugn you should not oppugn she should not oppugn we should not oppugn you should not oppugn they should not oppugn	I should not be oppugning you should not be oppugning she should not be oppugning we should not be oppugning you should not be oppugning they should not be oppugning
Perfect	V-ing perfect
I should not have oppugned you should not have oppugned she should not have oppugned we should not have oppugned you should not have oppugned they should not have oppugned	I should not have been oppugning you should not have been oppugning she should not have been oppugning we should not have been oppugning you should not have been oppugning they should not have been oppugning

Interrogative form

Simple form	V-ing form
should I oppugn? should you oppugn? should she oppugn? should we oppugn? should you oppugn? should they oppugn?	should I be oppugning? should you be oppugning? should she be oppugning? should we be oppugning? should you be oppugning? should they be oppugning?
Perfect	V-ing perfect
should I have oppugned? should you have oppugned? should she have oppugned? should we have oppugned? should you have oppugned? should they have oppugned?	should I have been oppugning? should you have been oppugning? should she have been oppugning? should we have been oppugning? should you have been oppugning? should they have been oppugning?

Interro-negative form

Simple form	V-ing form
should I not oppugn? should you not oppugn? should she not oppugn? should we not oppugn? should you not oppugn? should they not oppugn?	should I not be oppugning? should you not be oppugning? should she not be oppugning? should we not be oppugning? should you not be oppugning? should they not be oppugning?
Perfect	V-ing perfect
should I not have oppugned? should you not have oppugned? should she not have oppugned? should we not have oppugned? should you not have oppugned? should they not have oppugned?	should I not have been oppugning? should you not have been oppugning? should she not have been oppugning? should we not have been oppugning? should you not have been oppugning? should they not have been oppugning?