English verb conjugation
OUGHT TO FAIL

Regular verb: fail - failed - failed

Affirmation

Simple form	V-ing form
I ought to fail you ought to fail he ought to fail we ought to fail you ought to fail they ought to fail	I ought to be failing you ought to be failing he ought to be failing we ought to be failing you ought to be failing they ought to be failing
Perfect	V-ing perfect
I ought to have failed you ought to have failed he ought to have failed we ought to have failed you ought to have failed they ought to have failed	I ought to have been failing you ought to have been failing he ought to have been failing we ought to have been failing you ought to have been failing they ought to have been failing

Negation

Simple form	V-ing form
I ought not to fail you ought not to fail he ought not to fail we ought not to fail you ought not to fail they ought not to fail	I ought not to failing you ought not to failing he ought not to failing we ought not to failing you ought not to failing they ought not to failing
Perfect	V-ing perfect
I ought not to have failed you ought not to have failed he ought not to have failed we ought not to have failed you ought not to have failed they ought not to have failed	I ought not to have been failing you ought not to have been failing he ought not to have been failing we ought not to have been failing you ought not to have been failing they ought not to have been failing

Interrogative form

Simple form	V-ing form
ought to I fail? ought to you fail? ought to he fail? ought to we fail? ought to you fail? ought to they fail?	ought to I be failing? ought to you be failing? ought to he be failing? ought to we be failing? ought to you be failing? ought to they be failing?
Perfect	V-ing perfect
ought to I have failed? ought to you have failed? ought to he have failed? ought to we have failed? ought to you have failed? ought to they have failed?	ought to I have been failing? ought to you have been failing? ought to he have been failing? ought to we have been failing? ought to you have been failing? ought to they have been failing?

Interro-negative form

Simple form	V-ing form
ought I not to fail? ought you not to fail? ought he not to fail? ought we not to fail? ought you not to fail? ought they not to fail?	ought I not to be failing? ought you not to be failing? ought he not to be failing? ought we not to be failing? ought you not to be failing? ought they not to be failing?
Perfect	V-ing perfect
ought I not to have failed? ought you not to have failed? ought he not to have failed? ought we not to have failed? ought you not to have failed? ought they not to have failed?	ought I not to have been failing? ought you not to have been failing? ought he not to have been failing? ought we not to have been failing? ought you not to have been failing? ought they not to have been failing?