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