I could seize you could seize he could seize we could seize you could seize they could seize
Forma con V-ing
I could be seizing you could be seizing he could be seizing we could be seizing you could be seizing they could be seizing
Perfecto
I could have seized you could have seized he could have seized we could have seized you could have seized they could have seized
Perfecto con V-ing
I could have been seizing you could have been seizing he could have been seizing we could have been seizing you could have been seizing they could have been seizing
Negación
Forma simple
I couldn't seize you couldn't seize he couldn't seize we couldn't seize you couldn't seize they couldn't seize
Forma con V-ing
I couldn't be seizing you couldn't be seizing he couldn't be seizing we couldn't be seizing you couldn't be seizing they couldn't be seizing
Perfecto
I couldn't have seized you couldn't have seized he couldn't have seized we couldn't have seized you couldn't have seized they couldn't have seized
Perfecto con V-ing
I couldn't have been seizing you couldn't have been seizing he couldn't have been seizing we couldn't have been seizing you couldn't have been seizing they couldn't have been seizing
Forma interrogativa
Forma simple
could I seize? could you seize? could he seize? could we seize? could you seize? could they seize?
Forma con V-ing
could I be seizing? could you be seizing? could he be seizing? could we be seizing? could you be seizing? could they be seizing?
Perfecto
could I have seized? could you have seized? could he have seized? could we have seized? could you have seized? could they have seized?
Perfecto con V-ing
could I have been seizing? could you have been seizing? could he have been seizing? could we have been seizing? could you have been seizing? could they have been seizing?
Forma interro-negativa
Forma simple
couldn't I seize? couldn't you seize? couldn't he seize? couldn't we seize? couldn't you seize? couldn't they seize?
Forma con V-ing
couldn't I be seizing? couldn't you be seizing? couldn't he be seizing? couldn't we be seizing? couldn't you be seizing? couldn't they be seizing?
Perfecto
couldn't I have seized? couldn't you have seized? couldn't he have seized? couldn't we have seized? couldn't you have seized? couldn't they have seized?
Perfecto con V-ing
couldn't I have been seizing? couldn't you have been seizing? couldn't he have been seizing? couldn't we have been seizing? couldn't you have been seizing? couldn't they have been seizing?