I could omen you could omen he could omen we could omen you could omen they could omen
Forma com V-ing
I could be omening you could be omening he could be omening we could be omening you could be omening they could be omening
Perfeito
I could have omened you could have omened he could have omened we could have omened you could have omened they could have omened
Perfeito com V-ing
I could have been omening you could have been omening he could have been omening we could have been omening you could have been omening they could have been omening
Negação
Forma simple
I couldn't omen you couldn't omen he couldn't omen we couldn't omen you couldn't omen they couldn't omen
Forma com V-ing
I couldn't be omening you couldn't be omening he couldn't be omening we couldn't be omening you couldn't be omening they couldn't be omening
Perfeito
I couldn't have omened you couldn't have omened he couldn't have omened we couldn't have omened you couldn't have omened they couldn't have omened
Perfeito com V-ing
I couldn't have been omening you couldn't have been omening he couldn't have been omening we couldn't have been omening you couldn't have been omening they couldn't have been omening
Forma interrogativa
Forma simple
could I omen? could you omen? could he omen? could we omen? could you omen? could they omen?
Forma com V-ing
could I be omening? could you be omening? could he be omening? could we be omening? could you be omening? could they be omening?
Perfeito
could I have omened? could you have omened? could he have omened? could we have omened? could you have omened? could they have omened?
Perfeito com V-ing
could I have been omening? could you have been omening? could he have been omening? could we have been omening? could you have been omening? could they have been omening?
Forma interro-Negação
Forma simple
couldn't I omen? couldn't you omen? couldn't he omen? couldn't we omen? couldn't you omen? couldn't they omen?
Forma com V-ing
couldn't I be omening? couldn't you be omening? couldn't he be omening? couldn't we be omening? couldn't you be omening? couldn't they be omening?
Perfeito
couldn't I have omened? couldn't you have omened? couldn't he have omened? couldn't we have omened? couldn't you have omened? couldn't they have omened?
Perfeito com V-ing
couldn't I have been omening? couldn't you have been omening? couldn't he have been omening? couldn't we have been omening? couldn't you have been omening? couldn't they have been omening?