Conjugación del verbo inglés COULD SIGN
Verbo regular: sign - signed - signed
Afirmación
Forma simple
I could signyou could sign
he could sign
we could sign
you could sign
they could sign
Forma con V-ing
I could be signingyou could be signing
he could be signing
we could be signing
you could be signing
they could be signing
Perfecto
I could have signedyou could have signed
he could have signed
we could have signed
you could have signed
they could have signed
Perfecto con V-ing
I could have been signingyou could have been signing
he could have been signing
we could have been signing
you could have been signing
they could have been signing
Negación
Forma simple
I couldn't signyou couldn't sign
he couldn't sign
we couldn't sign
you couldn't sign
they couldn't sign
Forma con V-ing
I couldn't be signingyou couldn't be signing
he couldn't be signing
we couldn't be signing
you couldn't be signing
they couldn't be signing
Perfecto
I couldn't have signedyou couldn't have signed
he couldn't have signed
we couldn't have signed
you couldn't have signed
they couldn't have signed
Perfecto con V-ing
I couldn't have been signingyou couldn't have been signing
he couldn't have been signing
we couldn't have been signing
you couldn't have been signing
they couldn't have been signing
Forma interrogativa
Forma simple
could I sign?could you sign?
could he sign?
could we sign?
could you sign?
could they sign?
Forma con V-ing
could I be signing?could you be signing?
could he be signing?
could we be signing?
could you be signing?
could they be signing?
Perfecto
could I have signed?could you have signed?
could he have signed?
could we have signed?
could you have signed?
could they have signed?
Perfecto con V-ing
could I have been signing?could you have been signing?
could he have been signing?
could we have been signing?
could you have been signing?
could they have been signing?
Forma interro-negativa
Forma simple
couldn't I sign?couldn't you sign?
couldn't he sign?
couldn't we sign?
couldn't you sign?
couldn't they sign?
Forma con V-ing
couldn't I be signing?couldn't you be signing?
couldn't he be signing?
couldn't we be signing?
couldn't you be signing?
couldn't they be signing?
Perfecto
couldn't I have signed?couldn't you have signed?
couldn't he have signed?
couldn't we have signed?
couldn't you have signed?
couldn't they have signed?
Perfecto con V-ing
couldn't I have been signing?couldn't you have been signing?
couldn't he have been signing?
couldn't we have been signing?
couldn't you have been signing?
couldn't they have been signing?