English verb conjugation
WOULD FAIL

Regular verb: fail - failed - failed

Affirmation

Simple form	V-ing form
I'd fail you'd fail she'd fail we'd fail you'd fail they'd fail	I'd be failing you'd be failing she'd be failing we'd be failing you'd be failing they'd be failing
Perfect	V-ing perfect
I would've failed you would've failed she would've failed we would've failed you would've failed they would've failed	I would've been failing you would've been failing she would've been failing we would've been failing you would've been failing they would've been failing

Negation

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

Interrogative form

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

Interro-negative form

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