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