I'd be prognosticing you'd be prognosticing he'd be prognosticing we'd be prognosticing you'd be prognosticing they'd be prognosticing
Perfect
I should've prognosticed you should've prognosticed he should've prognosticed we should've prognosticed you should've prognosticed they should've prognosticed
V-ing perfect
I should've been prognosticing you should've been prognosticing he should've been prognosticing we should've been prognosticing you should've been prognosticing they should've been prognosticing
Negation
Simple form
I shouldn't prognostic you shouldn't prognostic he shouldn't prognostic we shouldn't prognostic you shouldn't prognostic they shouldn't prognostic
V-ing form
I shouldn't be prognosticing you shouldn't be prognosticing he shouldn't be prognosticing we shouldn't be prognosticing you shouldn't be prognosticing they shouldn't be prognosticing
Perfect
I shouldn't have prognosticed you shouldn't have prognosticed he shouldn't have prognosticed we shouldn't have prognosticed you shouldn't have prognosticed they shouldn't have prognosticed
V-ing perfect
I shouldn't have been prognosticing you shouldn't have been prognosticing he shouldn't have been prognosticing we shouldn't have been prognosticing you shouldn't have been prognosticing they shouldn't have been prognosticing
Interrogative form
Simple form
should I prognostic? should you prognostic? should he prognostic? should we prognostic? should you prognostic? should they prognostic?
V-ing form
should I be prognosticing? should you be prognosticing? should he be prognosticing? should we be prognosticing? should you be prognosticing? should they be prognosticing?
Perfect
should I have prognosticed? should you have prognosticed? should he have prognosticed? should we have prognosticed? should you have prognosticed? should they have prognosticed?
V-ing perfect
should I have been prognosticing? should you have been prognosticing? should he have been prognosticing? should we have been prognosticing? should you have been prognosticing? should they have been prognosticing?
Interro-negative form
Simple form
shouldn't I prognostic? shouldn't you prognostic? shouldn't he prognostic? shouldn't we prognostic? shouldn't you prognostic? shouldn't they prognostic?
V-ing form
shouldn't I be prognosticing? shouldn't you be prognosticing? shouldn't he be prognosticing? shouldn't we be prognosticing? shouldn't you be prognosticing? shouldn't they be prognosticing?
Perfect
shouldn't I have prognosticed? shouldn't you have prognosticed? shouldn't he have prognosticed? shouldn't we have prognosticed? shouldn't you have prognosticed? shouldn't they have prognosticed?
V-ing perfect
shouldn't I have been prognosticing? shouldn't you have been prognosticing? shouldn't he have been prognosticing? shouldn't we have been prognosticing? shouldn't you have been prognosticing? shouldn't they have been prognosticing?