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