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 can't prognostic you can't prognostic he can't prognostic we can't prognostic you can't prognostic they can't prognostic
V-ing form
I can't be prognosticing you can't be prognosticing he can't be prognosticing we can't be prognosticing you can't be prognosticing they can't be prognosticing
Perfect
I can't have prognosticed you can't have prognosticed he can't have prognosticed we can't have prognosticed you can't have prognosticed they can't have prognosticed
V-ing perfect
I can't have been prognosticing you can't have been prognosticing he can't have been prognosticing we can't have been prognosticing you can't have been prognosticing they can't 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't I prognostic? can't you prognostic? can't he prognostic? can't we prognostic? can't you prognostic? can't they prognostic?
V-ing form
can't I be prognosticing? can't you be prognosticing? can't he be prognosticing? can't we be prognosticing? can't you be prognosticing? can't they be prognosticing?
Perfect
can't I have prognosticed? can't you have prognosticed? can't he have prognosticed? can't we have prognosticed? can't you have prognosticed? can't they have prognosticed?
V-ing perfect
can't I have been prognosticing? can't you have been prognosticing? can't he have been prognosticing? can't we have been prognosticing? can't you have been prognosticing? can't they have been prognosticing?