Conjugación del verbo inglés
SHOULD FAIL

Verbo regular: fail - failed - failed

Afirmación

Forma simple	Forma con V-ing
I should fail you should fail he should fail we should fail you should fail they should fail	I should be failing you should be failing he should be failing we should be failing you should be failing they should be failing
Perfecto	Perfecto con V-ing
I should have failed you should have failed he should have failed we should have failed you should have failed they should have failed	I should have been failing you should have been failing he should have been failing we should have been failing you should have been failing they should have been failing

Negación

Forma simple	Forma con V-ing
I should not fail you should not fail he should not fail we should not fail you should not fail they should not fail	I should not be failing you should not be failing he should not be failing we should not be failing you should not be failing they should not be failing
Perfecto	Perfecto con V-ing
I should not have failed you should not have failed he should not have failed we should not have failed you should not have failed they should not have failed	I should not have been failing you should not have been failing he should not have been failing we should not have been failing you should not have been failing they should not have been failing

Forma interrogativa

Forma simple	Forma con V-ing
should I fail? should you fail? should he fail? should we fail? should you fail? should they fail?	should I be failing? should you be failing? should he be failing? should we be failing? should you be failing? should they be failing?
Perfecto	Perfecto con V-ing
should I have failed? should you have failed? should he have failed? should we have failed? should you have failed? should they have failed?	should I have been failing? should you have been failing? should he have been failing? should we have been failing? should you have been failing? should they have been failing?

Forma interro-negativa

Forma simple	Forma con V-ing
should I not fail? should you not fail? should he not fail? should we not fail? should you not fail? should they not fail?	should I not be failing? should you not be failing? should he not be failing? should we not be failing? should you not be failing? should they not be failing?
Perfecto	Perfecto con V-ing
should I not have failed? should you not have failed? should he not have failed? should we not have failed? should you not have failed? should they not have failed?	should I not have been failing? should you not have been failing? should he not have been failing? should we not have been failing? should you not have been failing? should they not have been failing?