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