Conjugación del verbo inglés COULD FAIL

Verbo regular: fail - failed - failed


Afirmación

Forma simple

I could fail
you could fail
he could fail
we could fail
you could fail
they could fail

Forma con V-ing

I could be failing
you could be failing
he could be failing
we could be failing
you could be failing
they could be failing

Perfecto

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