Conjugación del verbo inglés COULD CONCERN
Verbo regular: concern - concerned - concerned
Afirmación
Forma simple
I could concernyou could concern
he could concern
we could concern
you could concern
they could concern
Forma con V-ing
I could be concerningyou could be concerning
he could be concerning
we could be concerning
you could be concerning
they could be concerning
Perfecto
I could have concernedyou could have concerned
he could have concerned
we could have concerned
you could have concerned
they could have concerned
Perfecto con V-ing
I could have been concerningyou could have been concerning
he could have been concerning
we could have been concerning
you could have been concerning
they could have been concerning
Negación
Forma simple
I could not concernyou could not concern
he could not concern
we could not concern
you could not concern
they could not concern
Forma con V-ing
I could not be concerningyou could not be concerning
he could not be concerning
we could not be concerning
you could not be concerning
they could not be concerning
Perfecto
I could not have concernedyou could not have concerned
he could not have concerned
we could not have concerned
you could not have concerned
they could not have concerned
Perfecto con V-ing
I could not have been concerningyou could not have been concerning
he could not have been concerning
we could not have been concerning
you could not have been concerning
they could not have been concerning
Forma interrogativa
Forma simple
could I concern?could you concern?
could he concern?
could we concern?
could you concern?
could they concern?
Forma con V-ing
could I be concerning?could you be concerning?
could he be concerning?
could we be concerning?
could you be concerning?
could they be concerning?
Perfecto
could I have concerned?could you have concerned?
could he have concerned?
could we have concerned?
could you have concerned?
could they have concerned?
Perfecto con V-ing
could I have been concerning?could you have been concerning?
could he have been concerning?
could we have been concerning?
could you have been concerning?
could they have been concerning?
Forma interro-negativa
Forma simple
could I not concern?could you not concern?
could he not concern?
could we not concern?
could you not concern?
could they not concern?
Forma con V-ing
could I not be concerning?could you not be concerning?
could he not be concerning?
could we not be concerning?
could you not be concerning?
could they not be concerning?
Perfecto
could I not have concerned?could you not have concerned?
could he not have concerned?
could we not have concerned?
could you not have concerned?
could they not have concerned?
Perfecto con V-ing
could I not have been concerning?could you not have been concerning?
could he not have been concerning?
could we not have been concerning?
could you not have been concerning?
could they not have been concerning?