Cuidado, este verbo pode não existir, a conjugação é dada como exemplo.
Afirmação
Forma simple
I could through you could through he could through we could through you could through they could through
Forma com V-ing
I could be throughing you could be throughing he could be throughing we could be throughing you could be throughing they could be throughing
Perfeito
I could have throughed you could have throughed he could have throughed we could have throughed you could have throughed they could have throughed
Perfeito com V-ing
I could have been throughing you could have been throughing he could have been throughing we could have been throughing you could have been throughing they could have been throughing
Negação
Forma simple
I could not through you could not through he could not through we could not through you could not through they could not through
Forma com V-ing
I could not be throughing you could not be throughing he could not be throughing we could not be throughing you could not be throughing they could not be throughing
Perfeito
I could not have throughed you could not have throughed he could not have throughed we could not have throughed you could not have throughed they could not have throughed
Perfeito com V-ing
I could not have been throughing you could not have been throughing he could not have been throughing we could not have been throughing you could not have been throughing they could not have been throughing
Forma interrogativa
Forma simple
could I through? could you through? could he through? could we through? could you through? could they through?
Forma com V-ing
could I be throughing? could you be throughing? could he be throughing? could we be throughing? could you be throughing? could they be throughing?
Perfeito
could I have throughed? could you have throughed? could he have throughed? could we have throughed? could you have throughed? could they have throughed?
Perfeito com V-ing
could I have been throughing? could you have been throughing? could he have been throughing? could we have been throughing? could you have been throughing? could they have been throughing?
Forma interro-Negação
Forma simple
could I not through? could you not through? could he not through? could we not through? could you not through? could they not through?
Forma com V-ing
could I not be throughing? could you not be throughing? could he not be throughing? could we not be throughing? could you not be throughing? could they not be throughing?
Perfeito
could I not have throughed? could you not have throughed? could he not have throughed? could we not have throughed? could you not have throughed? could they not have throughed?
Perfeito com V-ing
could I not have been throughing? could you not have been throughing? could he not have been throughing? could we not have been throughing? could you not have been throughing? could they not have been throughing?