English verb conjugation
SHOULD SUBVENE

Regular verb: subvene - subvened - subvened

Affirmation

Simple form	V-ing form
I'd subvene you'd subvene he'd subvene we'd subvene you'd subvene they'd subvene	I'd be subvening you'd be subvening he'd be subvening we'd be subvening you'd be subvening they'd be subvening
Perfect	V-ing perfect
I should've subvened you should've subvened he should've subvened we should've subvened you should've subvened they should've subvened	I should've been subvening you should've been subvening he should've been subvening we should've been subvening you should've been subvening they should've been subvening

Negation

Simple form	V-ing form
I shouldn't subvene you shouldn't subvene he shouldn't subvene we shouldn't subvene you shouldn't subvene they shouldn't subvene	I shouldn't be subvening you shouldn't be subvening he shouldn't be subvening we shouldn't be subvening you shouldn't be subvening they shouldn't be subvening
Perfect	V-ing perfect
I shouldn't have subvened you shouldn't have subvened he shouldn't have subvened we shouldn't have subvened you shouldn't have subvened they shouldn't have subvened	I shouldn't have been subvening you shouldn't have been subvening he shouldn't have been subvening we shouldn't have been subvening you shouldn't have been subvening they shouldn't have been subvening

Interrogative form

Simple form	V-ing form
should I subvene? should you subvene? should he subvene? should we subvene? should you subvene? should they subvene?	should I be subvening? should you be subvening? should he be subvening? should we be subvening? should you be subvening? should they be subvening?
Perfect	V-ing perfect
should I have subvened? should you have subvened? should he have subvened? should we have subvened? should you have subvened? should they have subvened?	should I have been subvening? should you have been subvening? should he have been subvening? should we have been subvening? should you have been subvening? should they have been subvening?

Interro-negative form

Simple form	V-ing form
shouldn't I subvene? shouldn't you subvene? shouldn't he subvene? shouldn't we subvene? shouldn't you subvene? shouldn't they subvene?	shouldn't I be subvening? shouldn't you be subvening? shouldn't he be subvening? shouldn't we be subvening? shouldn't you be subvening? shouldn't they be subvening?
Perfect	V-ing perfect
shouldn't I have subvened? shouldn't you have subvened? shouldn't he have subvened? shouldn't we have subvened? shouldn't you have subvened? shouldn't they have subvened?	shouldn't I have been subvening? shouldn't you have been subvening? shouldn't he have been subvening? shouldn't we have been subvening? shouldn't you have been subvening? shouldn't they have been subvening?