Conjugação do verbo inglês COULD JACKKNIFE

Verbo regular: jackknife - jackknifed - jackknifed

Afirmação

Forma simple

I could jackknife
you could jackknife
he could jackknife
we could jackknife
you could jackknife
they could jackknife

Forma com V-ing

I could be jackknifing
you could be jackknifing
he could be jackknifing
we could be jackknifing
you could be jackknifing
they could be jackknifing

Perfeito

I could have jackknifed
you could have jackknifed
he could have jackknifed
we could have jackknifed
you could have jackknifed
they could have jackknifed

Perfeito com V-ing

I could have been jackknifing
you could have been jackknifing
he could have been jackknifing
we could have been jackknifing
you could have been jackknifing
they could have been jackknifing

Negação

Forma simple

I could not jackknife
you could not jackknife
he could not jackknife
we could not jackknife
you could not jackknife
they could not jackknife

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

Forma interrogativa

Forma simple

could I jackknife?
could you jackknife?
could he jackknife?
could we jackknife?
could you jackknife?
could they jackknife?

Forma com V-ing

could I be jackknifing?
could you be jackknifing?
could he be jackknifing?
could we be jackknifing?
could you be jackknifing?
could they be jackknifing?

Perfeito

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

Perfeito com V-ing

could I have been jackknifing?
could you have been jackknifing?
could he have been jackknifing?
could we have been jackknifing?
could you have been jackknifing?
could they have been jackknifing?

Forma interro-Negação

Forma simple

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

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

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