Conjugação do verbo inglês COULD REF

Verbo regular: ref - refed - refed

Afirmação

Forma simple

I could ref
you could ref
he could ref
we could ref
you could ref
they could ref

Forma com V-ing

I could be refing
you could be refing
he could be refing
we could be refing
you could be refing
they could be refing

Perfeito

I could have refed
you could have refed
he could have refed
we could have refed
you could have refed
they could have refed

Perfeito com V-ing

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

Negação

Forma simple

I could not ref
you could not ref
he could not ref
we could not ref
you could not ref
they could not ref

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

Forma interrogativa

Forma simple

could I ref?
could you ref?
could he ref?
could we ref?
could you ref?
could they ref?

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

Forma interro-Negação

Forma simple

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

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

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