English verb conjugation
COULD PROGNOSTIC

Regular verb: prognostic - prognosticed - prognosticed

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I could prognostic you could prognostic she could prognostic we could prognostic you could prognostic they could prognostic	I could be prognosticing you could be prognosticing she could be prognosticing we could be prognosticing you could be prognosticing they could be prognosticing
Perfect	V-ing perfect
I could have prognosticed you could have prognosticed she could have prognosticed we could have prognosticed you could have prognosticed they could have prognosticed	I could have been prognosticing you could have been prognosticing she could have been prognosticing we could have been prognosticing you could have been prognosticing they could have been prognosticing

Negation

Simple form	V-ing form
I couldn't prognostic you couldn't prognostic she couldn't prognostic we couldn't prognostic you couldn't prognostic they couldn't prognostic	I couldn't be prognosticing you couldn't be prognosticing she couldn't be prognosticing we couldn't be prognosticing you couldn't be prognosticing they couldn't be prognosticing
Perfect	V-ing perfect
I couldn't have prognosticed you couldn't have prognosticed she couldn't have prognosticed we couldn't have prognosticed you couldn't have prognosticed they couldn't have prognosticed	I couldn't have been prognosticing you couldn't have been prognosticing she couldn't have been prognosticing we couldn't have been prognosticing you couldn't have been prognosticing they couldn't have been prognosticing

Interrogative form

Simple form	V-ing form
could I prognostic? could you prognostic? could she prognostic? could we prognostic? could you prognostic? could they prognostic?	could I be prognosticing? could you be prognosticing? could she be prognosticing? could we be prognosticing? could you be prognosticing? could they be prognosticing?
Perfect	V-ing perfect
could I have prognosticed? could you have prognosticed? could she have prognosticed? could we have prognosticed? could you have prognosticed? could they have prognosticed?	could I have been prognosticing? could you have been prognosticing? could she have been prognosticing? could we have been prognosticing? could you have been prognosticing? could they have been prognosticing?

Interro-negative form

Simple form	V-ing form
couldn't I prognostic? couldn't you prognostic? couldn't she prognostic? couldn't we prognostic? couldn't you prognostic? couldn't they prognostic?	couldn't I be prognosticing? couldn't you be prognosticing? couldn't she be prognosticing? couldn't we be prognosticing? couldn't you be prognosticing? couldn't they be prognosticing?
Perfect	V-ing perfect
couldn't I have prognosticed? couldn't you have prognosticed? couldn't she have prognosticed? couldn't we have prognosticed? couldn't you have prognosticed? couldn't they have prognosticed?	couldn't I have been prognosticing? couldn't you have been prognosticing? couldn't she have been prognosticing? couldn't we have been prognosticing? couldn't you have been prognosticing? couldn't they have been prognosticing?