Conjugación del verbo inglés COULD SPIFF

Verbo regular: spiff - spiffed - spiffed

Afirmación

Forma simple

I could spiff
you could spiff
he could spiff
we could spiff
you could spiff
they could spiff

Forma con V-ing

I could be spiffing
you could be spiffing
he could be spiffing
we could be spiffing
you could be spiffing
they could be spiffing

Perfecto

I could have spiffed
you could have spiffed
he could have spiffed
we could have spiffed
you could have spiffed
they could have spiffed

Perfecto con V-ing

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

Negación

Forma simple

I could not spiff
you could not spiff
he could not spiff
we could not spiff
you could not spiff
they could not spiff

Forma con V-ing

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

Perfecto

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

Perfecto con V-ing

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

Forma interrogativa

Forma simple

could I spiff?
could you spiff?
could he spiff?
could we spiff?
could you spiff?
could they spiff?

Forma con V-ing

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

Perfecto

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

Perfecto con V-ing

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

Forma interro-negativa

Forma simple

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

Forma con V-ing

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

Perfecto

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

Perfecto con V-ing

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

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