masculino | Modal : não | may | might | can | could | shall | should | will | would | must | ought to
Conjugação do verbo inglês COULD FAIL
Verbo regular: fail - failed - failed
Afirmação
Forma simple
I could failyou could fail
she could fail
we could fail
you could fail
they could fail
Forma com V-ing
I could be failingyou could be failing
she could be failing
we could be failing
you could be failing
they could be failing
Perfeito
I could have failedyou could have failed
she could have failed
we could have failed
you could have failed
they could have failed
Perfeito com V-ing
I could have been failingyou could have been failing
she could have been failing
we could have been failing
you could have been failing
they could have been failing
Negação
Forma simple
I could not failyou could not fail
she could not fail
we could not fail
you could not fail
they could not fail
Forma com V-ing
I could not be failingyou could not be failing
she could not be failing
we could not be failing
you could not be failing
they could not be failing
Perfeito
I could not have failedyou could not have failed
she could not have failed
we could not have failed
you could not have failed
they could not have failed
Perfeito com V-ing
I could not have been failingyou could not have been failing
she could not have been failing
we could not have been failing
you could not have been failing
they could not have been failing
Forma interrogativa
Forma simple
could I fail?could you fail?
could she fail?
could we fail?
could you fail?
could they fail?
Forma com V-ing
could I be failing?could you be failing?
could she be failing?
could we be failing?
could you be failing?
could they be failing?
Perfeito
could I have failed?could you have failed?
could she have failed?
could we have failed?
could you have failed?
could they have failed?
Perfeito com V-ing
could I have been failing?could you have been failing?
could she have been failing?
could we have been failing?
could you have been failing?
could they have been failing?
Forma interro-Negação
Forma simple
could I not fail?could you not fail?
could she not fail?
could we not fail?
could you not fail?
could they not fail?
Forma com V-ing
could I not be failing?could you not be failing?
could she not be failing?
could we not be failing?
could you not be failing?
could they not be failing?
Perfeito
could I not have failed?could you not have failed?
could she not have failed?
could we not have failed?
could you not have failed?
could they not have failed?
Perfeito com V-ing
could I not have been failing?could you not have been failing?
could she not have been failing?
could we not have been failing?
could you not have been failing?
could they not have been failing?