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