Conjugación del verbo inglés COULD FASTEN
Verbo regular: fasten - fastened - fastened
Afirmación
Forma simple
I could fastenyou could fasten
he could fasten
we could fasten
you could fasten
they could fasten
Forma con V-ing
I could be fasteningyou could be fastening
he could be fastening
we could be fastening
you could be fastening
they could be fastening
Perfecto
I could have fastenedyou could have fastened
he could have fastened
we could have fastened
you could have fastened
they could have fastened
Perfecto con V-ing
I could have been fasteningyou could have been fastening
he could have been fastening
we could have been fastening
you could have been fastening
they could have been fastening
Negación
Forma simple
I could not fastenyou could not fasten
he could not fasten
we could not fasten
you could not fasten
they could not fasten
Forma con V-ing
I could not be fasteningyou could not be fastening
he could not be fastening
we could not be fastening
you could not be fastening
they could not be fastening
Perfecto
I could not have fastenedyou could not have fastened
he could not have fastened
we could not have fastened
you could not have fastened
they could not have fastened
Perfecto con V-ing
I could not have been fasteningyou could not have been fastening
he could not have been fastening
we could not have been fastening
you could not have been fastening
they could not have been fastening
Forma interrogativa
Forma simple
could I fasten?could you fasten?
could he fasten?
could we fasten?
could you fasten?
could they fasten?
Forma con V-ing
could I be fastening?could you be fastening?
could he be fastening?
could we be fastening?
could you be fastening?
could they be fastening?
Perfecto
could I have fastened?could you have fastened?
could he have fastened?
could we have fastened?
could you have fastened?
could they have fastened?
Perfecto con V-ing
could I have been fastening?could you have been fastening?
could he have been fastening?
could we have been fastening?
could you have been fastening?
could they have been fastening?
Forma interro-negativa
Forma simple
could I not fasten?could you not fasten?
could he not fasten?
could we not fasten?
could you not fasten?
could they not fasten?
Forma con V-ing
could I not be fastening?could you not be fastening?
could he not be fastening?
could we not be fastening?
could you not be fastening?
could they not be fastening?
Perfecto
could I not have fastened?could you not have fastened?
could he not have fastened?
could we not have fastened?
could you not have fastened?
could they not have fastened?
Perfecto con V-ing
could I not have been fastening?could you not have been fastening?
could he not have been fastening?
could we not have been fastening?
could you not have been fastening?
could they not have been fastening?