Conjugação do verbo inglês COULD REFER

Verbo regular: refer - referred - referred

Afirmação

Forma simple

I could refer
you could refer
she could refer
we could refer
you could refer
they could refer

Forma com V-ing

I could be referring
you could be referring
she could be referring
we could be referring
you could be referring
they could be referring

Perfeito

I could have referred
you could have referred
she could have referred
we could have referred
you could have referred
they could have referred

Perfeito com V-ing

I could have been referring
you could have been referring
she could have been referring
we could have been referring
you could have been referring
they could have been referring

Negação

Forma simple

I could not refer
you could not refer
she could not refer
we could not refer
you could not refer
they could not refer

Forma com V-ing

I could not be referring
you could not be referring
she could not be referring
we could not be referring
you could not be referring
they could not be referring

Perfeito

I could not have referred
you could not have referred
she could not have referred
we could not have referred
you could not have referred
they could not have referred

Perfeito com V-ing

I could not have been referring
you could not have been referring
she could not have been referring
we could not have been referring
you could not have been referring
they could not have been referring

Forma interrogativa

Forma simple

could I refer?
could you refer?
could she refer?
could we refer?
could you refer?
could they refer?

Forma com V-ing

could I be referring?
could you be referring?
could she be referring?
could we be referring?
could you be referring?
could they be referring?

Perfeito

could I have referred?
could you have referred?
could she have referred?
could we have referred?
could you have referred?
could they have referred?

Perfeito com V-ing

could I have been referring?
could you have been referring?
could she have been referring?
could we have been referring?
could you have been referring?
could they have been referring?

Forma interro-Negação

Forma simple

could I not refer?
could you not refer?
could she not refer?
could we not refer?
could you not refer?
could they not refer?

Forma com V-ing

could I not be referring?
could you not be referring?
could she not be referring?
could we not be referring?
could you not be referring?
could they not be referring?

Perfeito

could I not have referred?
could you not have referred?
could she not have referred?
could we not have referred?
could you not have referred?
could they not have referred?

Perfeito com V-ing

could I not have been referring?
could you not have been referring?
could she not have been referring?
could we not have been referring?
could you not have been referring?
could they not have been referring?

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