The Conjugator
Conjugación del verbo inglés
COULD CONCERN

Verbo regular: concern - concerned - concerned

Afirmación

Forma simple

Forma con V-ing

I could concern
you could concern
she could concern
we could concern
you could concern
they could concern
I could be concerning
you could be concerning
she could be concerning
we could be concerning
you could be concerning
they could be concerning

Perfecto

Perfecto con V-ing

I could have concerned
you could have concerned
she could have concerned
we could have concerned
you could have concerned
they could have concerned
I could have been concerning
you could have been concerning
she could have been concerning
we could have been concerning
you could have been concerning
they could have been concerning

Negación

Forma simple

Forma con V-ing

I could not concern
you could not concern
she could not concern
we could not concern
you could not concern
they could not concern
I could not be concerning
you could not be concerning
she could not be concerning
we could not be concerning
you could not be concerning
they could not be concerning

Perfecto

Perfecto con V-ing

I could not have concerned
you could not have concerned
she could not have concerned
we could not have concerned
you could not have concerned
they could not have concerned
I could not have been concerning
you could not have been concerning
she 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

Forma con V-ing

could I concern?
could you concern?
could she concern?
could we concern?
could you concern?
could they concern?
could I be concerning?
could you be concerning?
could she be concerning?
could we be concerning?
could you be concerning?
could they be concerning?

Perfecto

Perfecto con V-ing

could I have concerned?
could you have concerned?
could she have concerned?
could we have concerned?
could you have concerned?
could they have concerned?
could I have been concerning?
could you have been concerning?
could she have been concerning?
could we have been concerning?
could you have been concerning?
could they have been concerning?

Forma interro-negativa

Forma simple

Forma con V-ing

could I not concern?
could you not concern?
could she not concern?
could we not concern?
could you not concern?
could they not concern?
could I not be concerning?
could you not be concerning?
could she not be concerning?
could we not be concerning?
could you not be concerning?
could they not be concerning?

Perfecto

Perfecto con V-ing

could I not have concerned?
could you not have concerned?
could she not have concerned?
could we not have concerned?
could you not have concerned?
could they not have concerned?
could I not have been concerning?
could you not have been concerning?
could she not have been concerning?
could we not have been concerning?
could you not have been concerning?
could they not have been concerning?