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