Conjugação do verbo inglês COULD ALTER

Verbo regular: alter - altered - altered

Afirmação

Forma simple

I could alter
you could alter
he could alter
we could alter
you could alter
they could alter

Forma com V-ing

I could be altering
you could be altering
he could be altering
we could be altering
you could be altering
they could be altering

Perfeito

I could have altered
you could have altered
he could have altered
we could have altered
you could have altered
they could have altered

Perfeito com V-ing

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

Negação

Forma simple

I could not alter
you could not alter
he could not alter
we could not alter
you could not alter
they could not alter

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

Forma interrogativa

Forma simple

could I alter?
could you alter?
could he alter?
could we alter?
could you alter?
could they alter?

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

Forma interro-Negação

Forma simple

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

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

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