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