Conjugación del verbo inglés COULD FAIL
Verbo regular: fail - failed - failed
Afirmación
Forma simple
I could failyou could fail
he could fail
we could fail
you could fail
they could fail
Forma con V-ing
I could be failingyou could be failing
he could be failing
we could be failing
you could be failing
they could be failing
Perfecto
I could have failedyou could have failed
he could have failed
we could have failed
you could have failed
they could have failed
Perfecto con V-ing
I could have been failingyou could have been failing
he could have been failing
we could have been failing
you could have been failing
they could have been failing
Negación
Forma simple
I couldn't failyou couldn't fail
he couldn't fail
we couldn't fail
you couldn't fail
they couldn't fail
Forma con V-ing
I couldn't be failingyou couldn't be failing
he couldn't be failing
we couldn't be failing
you couldn't be failing
they couldn't be failing
Perfecto
I couldn't have failedyou couldn't have failed
he couldn't have failed
we couldn't have failed
you couldn't have failed
they couldn't have failed
Perfecto con V-ing
I couldn't have been failingyou couldn't have been failing
he couldn't have been failing
we couldn't have been failing
you couldn't have been failing
they couldn't have been failing
Forma interrogativa
Forma simple
could I fail?could you fail?
could he fail?
could we fail?
could you fail?
could they fail?
Forma con V-ing
could I be failing?could you be failing?
could he be failing?
could we be failing?
could you be failing?
could they be failing?
Perfecto
could I have failed?could you have failed?
could he have failed?
could we have failed?
could you have failed?
could they have failed?
Perfecto con V-ing
could I have been failing?could you have been failing?
could he have been failing?
could we have been failing?
could you have been failing?
could they have been failing?
Forma interro-negativa
Forma simple
couldn't I fail?couldn't you fail?
couldn't he fail?
couldn't we fail?
couldn't you fail?
couldn't they fail?
Forma con V-ing
couldn't I be failing?couldn't you be failing?
couldn't he be failing?
couldn't we be failing?
couldn't you be failing?
couldn't they be failing?
Perfecto
couldn't I have failed?couldn't you have failed?
couldn't he have failed?
couldn't we have failed?
couldn't you have failed?
couldn't they have failed?
Perfecto con V-ing
couldn't I have been failing?couldn't you have been failing?
couldn't he have been failing?
couldn't we have been failing?
couldn't you have been failing?
couldn't they have been failing?