English verb conjugation
SHOULD SUPERSEDE

Regular verb: supersede - superseded - superseded

Affirmation

Simple form	V-ing form
I'd supersede you'd supersede he'd supersede we'd supersede you'd supersede they'd supersede	I'd be superseding you'd be superseding he'd be superseding we'd be superseding you'd be superseding they'd be superseding
Perfect	V-ing perfect
I should've superseded you should've superseded he should've superseded we should've superseded you should've superseded they should've superseded	I should've been superseding you should've been superseding he should've been superseding we should've been superseding you should've been superseding they should've been superseding

Negation

Simple form	V-ing form
I shouldn't supersede you shouldn't supersede he shouldn't supersede we shouldn't supersede you shouldn't supersede they shouldn't supersede	I shouldn't be superseding you shouldn't be superseding he shouldn't be superseding we shouldn't be superseding you shouldn't be superseding they shouldn't be superseding
Perfect	V-ing perfect
I shouldn't have superseded you shouldn't have superseded he shouldn't have superseded we shouldn't have superseded you shouldn't have superseded they shouldn't have superseded	I shouldn't have been superseding you shouldn't have been superseding he shouldn't have been superseding we shouldn't have been superseding you shouldn't have been superseding they shouldn't have been superseding

Interrogative form

Simple form	V-ing form
should I supersede? should you supersede? should he supersede? should we supersede? should you supersede? should they supersede?	should I be superseding? should you be superseding? should he be superseding? should we be superseding? should you be superseding? should they be superseding?
Perfect	V-ing perfect
should I have superseded? should you have superseded? should he have superseded? should we have superseded? should you have superseded? should they have superseded?	should I have been superseding? should you have been superseding? should he have been superseding? should we have been superseding? should you have been superseding? should they have been superseding?

Interro-negative form

Simple form	V-ing form
shouldn't I supersede? shouldn't you supersede? shouldn't he supersede? shouldn't we supersede? shouldn't you supersede? shouldn't they supersede?	shouldn't I be superseding? shouldn't you be superseding? shouldn't he be superseding? shouldn't we be superseding? shouldn't you be superseding? shouldn't they be superseding?
Perfect	V-ing perfect
shouldn't I have superseded? shouldn't you have superseded? shouldn't he have superseded? shouldn't we have superseded? shouldn't you have superseded? shouldn't they have superseded?	shouldn't I have been superseding? shouldn't you have been superseding? shouldn't he have been superseding? shouldn't we have been superseding? shouldn't you have been superseding? shouldn't they have been superseding?