Conjugação do verbo inglês
COULD REFUSE

Verbo regular: refuse - refused - refused

Afirmação

Forma simple	Forma com V-ing
I could refuse you could refuse he could refuse we could refuse you could refuse they could refuse	I could be refusing you could be refusing he could be refusing we could be refusing you could be refusing they could be refusing
Perfeito	Perfeito com V-ing
I could have refused you could have refused he could have refused we could have refused you could have refused they could have refused	I could have been refusing you could have been refusing he could have been refusing we could have been refusing you could have been refusing they could have been refusing

Negação

Forma simple	Forma com V-ing
I could not refuse you could not refuse he could not refuse we could not refuse you could not refuse they could not refuse	I could not be refusing you could not be refusing he could not be refusing we could not be refusing you could not be refusing they could not be refusing
Perfeito	Perfeito com V-ing
I could not have refused you could not have refused he could not have refused we could not have refused you could not have refused they could not have refused	I could not have been refusing you could not have been refusing he could not have been refusing we could not have been refusing you could not have been refusing they could not have been refusing

Forma interrogativa

Forma simple	Forma com V-ing
could I refuse? could you refuse? could he refuse? could we refuse? could you refuse? could they refuse?	could I be refusing? could you be refusing? could he be refusing? could we be refusing? could you be refusing? could they be refusing?
Perfeito	Perfeito com V-ing
could I have refused? could you have refused? could he have refused? could we have refused? could you have refused? could they have refused?	could I have been refusing? could you have been refusing? could he have been refusing? could we have been refusing? could you have been refusing? could they have been refusing?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not refuse? could you not refuse? could he not refuse? could we not refuse? could you not refuse? could they not refuse?	could I not be refusing? could you not be refusing? could he not be refusing? could we not be refusing? could you not be refusing? could they not be refusing?
Perfeito	Perfeito com V-ing
could I not have refused? could you not have refused? could he not have refused? could we not have refused? could you not have refused? could they not have refused?	could I not have been refusing? could you not have been refusing? could he not have been refusing? could we not have been refusing? could you not have been refusing? could they not have been refusing?