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