Conjugação do verbo inglês COULD BIFF

Verbo regular: biff - biffed - biffed

Afirmação

Forma simple

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

Forma com 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

Perfeito

I could have biffed
you could have biffed
he could have biffed
we could have biffed
you could have biffed
they could have biffed

Perfeito com 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

Negação

Forma simple

I couldn't biff
you couldn't biff
he couldn't biff
we couldn't biff
you couldn't biff
they couldn't biff

Forma com V-ing

I couldn't be biffing
you couldn't be biffing
he couldn't be biffing
we couldn't be biffing
you couldn't be biffing
they couldn't be biffing

Perfeito

I couldn't have biffed
you couldn't have biffed
he couldn't have biffed
we couldn't have biffed
you couldn't have biffed
they couldn't have biffed

Perfeito com V-ing

I couldn't have been biffing
you 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 com 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?

Perfeito

could I have biffed?
could you have biffed?
could he have biffed?
could we have biffed?
could you have biffed?
could they have biffed?

Perfeito com 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-Negação

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 com 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?

Perfeito

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?

Perfeito com 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?

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