Conjugação do verbo inglês
COULD REFRACT

Verbo regular: refract - refracted - refracted

Afirmação

Forma simple	Forma com V-ing
I could refract you could refract she could refract we could refract you could refract they could refract	I could be refracting you could be refracting she could be refracting we could be refracting you could be refracting they could be refracting
Perfeito	Perfeito com V-ing
I could have refracted you could have refracted she could have refracted we could have refracted you could have refracted they could have refracted	I could have been refracting you could have been refracting she could have been refracting we could have been refracting you could have been refracting they could have been refracting

Negação

Forma simple	Forma com V-ing
I could not refract you could not refract she could not refract we could not refract you could not refract they could not refract	I could not be refracting you could not be refracting she could not be refracting we could not be refracting you could not be refracting they could not be refracting
Perfeito	Perfeito com V-ing
I could not have refracted you could not have refracted she could not have refracted we could not have refracted you could not have refracted they could not have refracted	I could not have been refracting you could not have been refracting she could not have been refracting we could not have been refracting you could not have been refracting they could not have been refracting

Forma interrogativa

Forma simple	Forma com V-ing
could I refract? could you refract? could she refract? could we refract? could you refract? could they refract?	could I be refracting? could you be refracting? could she be refracting? could we be refracting? could you be refracting? could they be refracting?
Perfeito	Perfeito com V-ing
could I have refracted? could you have refracted? could she have refracted? could we have refracted? could you have refracted? could they have refracted?	could I have been refracting? could you have been refracting? could she have been refracting? could we have been refracting? could you have been refracting? could they have been refracting?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not refract? could you not refract? could she not refract? could we not refract? could you not refract? could they not refract?	could I not be refracting? could you not be refracting? could she not be refracting? could we not be refracting? could you not be refracting? could they not be refracting?
Perfeito	Perfeito com V-ing
could I not have refracted? could you not have refracted? could she not have refracted? could we not have refracted? could you not have refracted? could they not have refracted?	could I not have been refracting? could you not have been refracting? could she not have been refracting? could we not have been refracting? could you not have been refracting? could they not have been refracting?