Conjugação do verbo inglês COULD FAIL

Verbo regular: fail - failed - failed

Afirmação

Forma simple

I could fail
you could fail
she could fail
we could fail
you could fail
they could fail

Forma com V-ing

I could be failing
you could be failing
she could be failing
we could be failing
you could be failing
they could be failing

Perfeito

I could have failed
you 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 failing
you 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 fail
you 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 failing
you 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 failed
you 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 failing
you 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?

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