Conjugación del verbo inglés COULD BIFF

Verbo regular: biff - biffed - biffed

Afirmación

Forma simple

I could biff
you could biff
he could biff
we could biff
you could biff
they could biff

Forma con V-ing

I could be biffing
you could be biffing
he could be biffing
we could be biffing
you could be biffing
they could be biffing

Perfecto

I could have biffed
you 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 biffing
you 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 could not biff
you could not biff
he could not biff
we could not biff
you could not biff
they could not biff

Forma con V-ing

I could not be biffing
you could not be biffing
he could not be biffing
we could not be biffing
you could not be biffing
they could not be biffing

Perfecto

I could not have biffed
you could not have biffed
he could not have biffed
we could not have biffed
you could not have biffed
they could not have biffed

Perfecto con V-ing

I could not have been biffing
you could not have been biffing
he could not have been biffing
we could not have been biffing
you could not have been biffing
they could not 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

could I not biff?
could you not biff?
could he not biff?
could we not biff?
could you not biff?
could they not biff?

Forma con V-ing

could I not be biffing?
could you not be biffing?
could he not be biffing?
could we not be biffing?
could you not be biffing?
could they not be biffing?

Perfecto

could I not have biffed?
could you not have biffed?
could he not have biffed?
could we not have biffed?
could you not have biffed?
could they not have biffed?

Perfecto con V-ing

could I not have been biffing?
could you not have been biffing?
could he not have been biffing?
could we not have been biffing?
could you not have been biffing?
could they not have been biffing?

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