English verb conjugation
COULD AFFIRM

Regular verb: affirm - affirmed - affirmed

Affirmation

Simple form	V-ing form
I could affirm you could affirm she could affirm we could affirm you could affirm they could affirm	I could be affirming you could be affirming she could be affirming we could be affirming you could be affirming they could be affirming
Perfect	V-ing perfect
I could have affirmed you could have affirmed she could have affirmed we could have affirmed you could have affirmed they could have affirmed	I could have been affirming you could have been affirming she could have been affirming we could have been affirming you could have been affirming they could have been affirming

Negation

Simple form	V-ing form
I couldn't affirm you couldn't affirm she couldn't affirm we couldn't affirm you couldn't affirm they couldn't affirm	I couldn't be affirming you couldn't be affirming she couldn't be affirming we couldn't be affirming you couldn't be affirming they couldn't be affirming
Perfect	V-ing perfect
I couldn't have affirmed you couldn't have affirmed she couldn't have affirmed we couldn't have affirmed you couldn't have affirmed they couldn't have affirmed	I couldn't have been affirming you couldn't have been affirming she couldn't have been affirming we couldn't have been affirming you couldn't have been affirming they couldn't have been affirming

Interrogative form

Simple form	V-ing form
could I affirm? could you affirm? could she affirm? could we affirm? could you affirm? could they affirm?	could I be affirming? could you be affirming? could she be affirming? could we be affirming? could you be affirming? could they be affirming?
Perfect	V-ing perfect
could I have affirmed? could you have affirmed? could she have affirmed? could we have affirmed? could you have affirmed? could they have affirmed?	could I have been affirming? could you have been affirming? could she have been affirming? could we have been affirming? could you have been affirming? could they have been affirming?

Interro-negative form

Simple form	V-ing form
couldn't I affirm? couldn't you affirm? couldn't she affirm? couldn't we affirm? couldn't you affirm? couldn't they affirm?	couldn't I be affirming? couldn't you be affirming? couldn't she be affirming? couldn't we be affirming? couldn't you be affirming? couldn't they be affirming?
Perfect	V-ing perfect
couldn't I have affirmed? couldn't you have affirmed? couldn't she have affirmed? couldn't we have affirmed? couldn't you have affirmed? couldn't they have affirmed?	couldn't I have been affirming? couldn't you have been affirming? couldn't she have been affirming? couldn't we have been affirming? couldn't you have been affirming? couldn't they have been affirming?