Conjugación del verbo inglés COULD BIFF
Verbo regular: biff - biffed - biffed
Afirmación
Forma simple
I could biffyou could biff
he could biff
we could biff
you could biff
they could biff
Forma con V-ing
I could be biffingyou could be biffing
he could be biffing
we could be biffing
you could be biffing
they could be biffing
Perfecto
I could have biffedyou could have biffed
he could have biffed
we could have biffed
you could have biffed
they could have biffed
Perfecto con V-ing
I could have been biffingyou could have been biffing
he could have been biffing
we could have been biffing
you could have been biffing
they could have been biffing
Negación
Forma simple
I couldn't biffyou couldn't biff
he couldn't biff
we couldn't biff
you couldn't biff
they couldn't biff
Forma con V-ing
I couldn't be biffingyou couldn't be biffing
he couldn't be biffing
we couldn't be biffing
you couldn't be biffing
they couldn't be biffing
Perfecto
I couldn't have biffedyou couldn't have biffed
he couldn't have biffed
we couldn't have biffed
you couldn't have biffed
they couldn't have biffed
Perfecto con V-ing
I couldn't have been biffingyou couldn't have been biffing
he couldn't have been biffing
we couldn't have been biffing
you couldn't have been biffing
they couldn't have been biffing
Forma interrogativa
Forma simple
could I biff?could you biff?
could he biff?
could we biff?
could you biff?
could they biff?
Forma con V-ing
could I be biffing?could you be biffing?
could he be biffing?
could we be biffing?
could you be biffing?
could they be biffing?
Perfecto
could I have biffed?could you have biffed?
could he have biffed?
could we have biffed?
could you have biffed?
could they have biffed?
Perfecto con V-ing
could I have been biffing?could you have been biffing?
could he have been biffing?
could we have been biffing?
could you have been biffing?
could they have been biffing?
Forma interro-negativa
Forma simple
couldn't I biff?couldn't you biff?
couldn't he biff?
couldn't we biff?
couldn't you biff?
couldn't they biff?
Forma con V-ing
couldn't I be biffing?couldn't you be biffing?
couldn't he be biffing?
couldn't we be biffing?
couldn't you be biffing?
couldn't they be biffing?
Perfecto
couldn't I have biffed?couldn't you have biffed?
couldn't he have biffed?
couldn't we have biffed?
couldn't you have biffed?
couldn't they have biffed?
Perfecto con V-ing
couldn't I have been biffing?couldn't you have been biffing?
couldn't he have been biffing?
couldn't we have been biffing?
couldn't you have been biffing?
couldn't they have been biffing?