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