Conjugação do verbo inglês
COULD AFFIRM

Verbo regular: affirm - affirmed - affirmed

Afirmação

Forma simple	Forma com V-ing
I could affirm you could affirm he could affirm we could affirm you could affirm they could affirm	I could be affirming you could be affirming he could be affirming we could be affirming you could be affirming they could be affirming
Perfeito	Perfeito com V-ing
I could have affirmed you could have affirmed he 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 he could have been affirming we could have been affirming you could have been affirming they could have been affirming

Negação

Forma simple	Forma com V-ing
I couldn't affirm you couldn't affirm he 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 he couldn't be affirming we couldn't be affirming you couldn't be affirming they couldn't be affirming
Perfeito	Perfeito com V-ing
I couldn't have affirmed you couldn't have affirmed he 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 he couldn't have been affirming we couldn't have been affirming you couldn't have been affirming they couldn't have been affirming

Forma interrogativa

Forma simple	Forma com V-ing
could I affirm? could you affirm? could he affirm? could we affirm? could you affirm? could they affirm?	could I be affirming? could you be affirming? could he be affirming? could we be affirming? could you be affirming? could they be affirming?
Perfeito	Perfeito com V-ing
could I have affirmed? could you have affirmed? could he 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 he have been affirming? could we have been affirming? could you have been affirming? could they have been affirming?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I affirm? couldn't you affirm? couldn't he 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 he be affirming? couldn't we be affirming? couldn't you be affirming? couldn't they be affirming?
Perfeito	Perfeito com V-ing
couldn't I have affirmed? couldn't you have affirmed? couldn't he 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 he have been affirming? couldn't we have been affirming? couldn't you have been affirming? couldn't they have been affirming?