I could water you could water he could water we could water you could water they could water
Forma con V-ing
I could be watering you could be watering he could be watering we could be watering you could be watering they could be watering
Perfecto
I could have watered you could have watered he could have watered we could have watered you could have watered they could have watered
Perfecto con V-ing
I could have been watering you could have been watering he could have been watering we could have been watering you could have been watering they could have been watering
Negación
Forma simple
I could not water you could not water he could not water we could not water you could not water they could not water
Forma con V-ing
I could not be watering you could not be watering he could not be watering we could not be watering you could not be watering they could not be watering
Perfecto
I could not have watered you could not have watered he could not have watered we could not have watered you could not have watered they could not have watered
Perfecto con V-ing
I could not have been watering you could not have been watering he could not have been watering we could not have been watering you could not have been watering they could not have been watering
Forma interrogativa
Forma simple
could I water? could you water? could he water? could we water? could you water? could they water?
Forma con V-ing
could I be watering? could you be watering? could he be watering? could we be watering? could you be watering? could they be watering?
Perfecto
could I have watered? could you have watered? could he have watered? could we have watered? could you have watered? could they have watered?
Perfecto con V-ing
could I have been watering? could you have been watering? could he have been watering? could we have been watering? could you have been watering? could they have been watering?
Forma interro-negativa
Forma simple
could I not water? could you not water? could he not water? could we not water? could you not water? could they not water?
Forma con V-ing
could I not be watering? could you not be watering? could he not be watering? could we not be watering? could you not be watering? could they not be watering?
Perfecto
could I not have watered? could you not have watered? could he not have watered? could we not have watered? could you not have watered? could they not have watered?
Perfecto con V-ing
could I not have been watering? could you not have been watering? could he not have been watering? could we not have been watering? could you not have been watering? could they not have been watering?