Atención, este verbo puede no existir, se da como ejemplo la conjugación.
Afirmación
Forma simple
I could sew sew you could sew sew he could sew sew we could sew sew you could sew sew they could sew sew
Forma con V-ing
I could be sew sewing you could be sew sewing he could be sew sewing we could be sew sewing you could be sew sewing they could be sew sewing
Perfecto
I could have sew sewed you could have sew sewed he could have sew sewed we could have sew sewed you could have sew sewed they could have sew sewed
Perfecto con V-ing
I could have been sew sewing you could have been sew sewing he could have been sew sewing we could have been sew sewing you could have been sew sewing they could have been sew sewing
Negación
Forma simple
I couldn't sew sew you couldn't sew sew he couldn't sew sew we couldn't sew sew you couldn't sew sew they couldn't sew sew
Forma con V-ing
I couldn't be sew sewing you couldn't be sew sewing he couldn't be sew sewing we couldn't be sew sewing you couldn't be sew sewing they couldn't be sew sewing
Perfecto
I couldn't have sew sewed you couldn't have sew sewed he couldn't have sew sewed we couldn't have sew sewed you couldn't have sew sewed they couldn't have sew sewed
Perfecto con V-ing
I couldn't have been sew sewing you couldn't have been sew sewing he couldn't have been sew sewing we couldn't have been sew sewing you couldn't have been sew sewing they couldn't have been sew sewing
Forma interrogativa
Forma simple
could I sew sew? could you sew sew? could he sew sew? could we sew sew? could you sew sew? could they sew sew?
Forma con V-ing
could I be sew sewing? could you be sew sewing? could he be sew sewing? could we be sew sewing? could you be sew sewing? could they be sew sewing?
Perfecto
could I have sew sewed? could you have sew sewed? could he have sew sewed? could we have sew sewed? could you have sew sewed? could they have sew sewed?
Perfecto con V-ing
could I have been sew sewing? could you have been sew sewing? could he have been sew sewing? could we have been sew sewing? could you have been sew sewing? could they have been sew sewing?
Forma interro-negativa
Forma simple
couldn't I sew sew? couldn't you sew sew? couldn't he sew sew? couldn't we sew sew? couldn't you sew sew? couldn't they sew sew?
Forma con V-ing
couldn't I be sew sewing? couldn't you be sew sewing? couldn't he be sew sewing? couldn't we be sew sewing? couldn't you be sew sewing? couldn't they be sew sewing?
Perfecto
couldn't I have sew sewed? couldn't you have sew sewed? couldn't he have sew sewed? couldn't we have sew sewed? couldn't you have sew sewed? couldn't they have sew sewed?
Perfecto con V-ing
couldn't I have been sew sewing? couldn't you have been sew sewing? couldn't he have been sew sewing? couldn't we have been sew sewing? couldn't you have been sew sewing? couldn't they have been sew sewing?