Attention, ce verbe peut ne pas exister, la conjugaison est donnée à titre d'exemple.
Affirmation
Forme simple
I could laughter you could laughter he could laughter we could laughter you could laughter they could laughter
Forme en 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
Perfect
I could have laughtered you could have laughtered he could have laughtered we could have laughtered you could have laughtered they could have laughtered
Perfect en 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
Négation
Forme 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
Forme en 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
Perfect
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
Perfect en 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
Forme interrogative
Forme simple
could I laughter? could you laughter? could he laughter? could we laughter? could you laughter? could they laughter?
Forme en 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?
Perfect
could I have laughtered? could you have laughtered? could he have laughtered? could we have laughtered? could you have laughtered? could they have laughtered?
Perfect en 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?
Forme interro-négative
Forme 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?
Forme en 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?
Perfect
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?
Perfect en 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?