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