English verb conjugation
MIGHT FAIL

Regular verb: fail - failed - failed

Affirmation

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

Negation

Simple form	V-ing form
I mightn't fail you mightn't fail he mightn't fail we mightn't fail you mightn't fail they mightn't fail	I mightn't be failing you mightn't be failing he mightn't be failing we mightn't be failing you mightn't be failing they mightn't be failing
Perfect	V-ing perfect
I mightn't have failed you mightn't have failed he mightn't have failed we mightn't have failed you mightn't have failed they mightn't have failed	I mightn't have been failing you mightn't have been failing he mightn't have been failing we mightn't have been failing you mightn't have been failing they mightn't have been failing

Interrogative form

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

Interro-negative form

Simple form	V-ing form
mightn't I fail? mightn't you fail? mightn't he fail? mightn't we fail? mightn't you fail? mightn't they fail?	mightn't I be failing? mightn't you be failing? mightn't he be failing? mightn't we be failing? mightn't you be failing? mightn't they be failing?
Perfect	V-ing perfect
mightn't I have failed? mightn't you have failed? mightn't he have failed? mightn't we have failed? mightn't you have failed? mightn't they have failed?	mightn't I have been failing? mightn't you have been failing? mightn't he have been failing? mightn't we have been failing? mightn't you have been failing? mightn't they have been failing?