Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I should prognostic you should prognostic she should prognostic we should prognostic you should prognostic they should prognostic
V-ing form
I should be prognosticing you should be prognosticing she should be prognosticing we should be prognosticing you should be prognosticing they should be prognosticing
Perfect
I should have prognosticed you should have prognosticed she should have prognosticed we should have prognosticed you should have prognosticed they should have prognosticed
V-ing perfect
I should have been prognosticing you should have been prognosticing she should have been prognosticing we should have been prognosticing you should have been prognosticing they should have been prognosticing
Negation
Simple form
I should not prognostic you should not prognostic she should not prognostic we should not prognostic you should not prognostic they should not prognostic
V-ing form
I should not be prognosticing you should not be prognosticing she should not be prognosticing we should not be prognosticing you should not be prognosticing they should not be prognosticing
Perfect
I should not have prognosticed you should not have prognosticed she should not have prognosticed we should not have prognosticed you should not have prognosticed they should not have prognosticed
V-ing perfect
I should not have been prognosticing you should not have been prognosticing she should not have been prognosticing we should not have been prognosticing you should not have been prognosticing they should not have been prognosticing
Interrogative form
Simple form
should I prognostic? should you prognostic? should she prognostic? should we prognostic? should you prognostic? should they prognostic?
V-ing form
should I be prognosticing? should you be prognosticing? should she be prognosticing? should we be prognosticing? should you be prognosticing? should they be prognosticing?
Perfect
should I have prognosticed? should you have prognosticed? should she 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 she have been prognosticing? should we have been prognosticing? should you have been prognosticing? should they have been prognosticing?
Interro-negative form
Simple form
should I not prognostic? should you not prognostic? should she not prognostic? should we not prognostic? should you not prognostic? should they not prognostic?
V-ing form
should I not be prognosticing? should you not be prognosticing? should she not be prognosticing? should we not be prognosticing? should you not be prognosticing? should they not be prognosticing?
Perfect
should I not have prognosticed? should you not have prognosticed? should she not have prognosticed? should we not have prognosticed? should you not have prognosticed? should they not have prognosticed?
V-ing perfect
should I not have been prognosticing? should you not have been prognosticing? should she not have been prognosticing? should we not have been prognosticing? should you not have been prognosticing? should they not have been prognosticing?