English verb conjugation
WOULD EXIST

Regular verb: exist - existed - existed

Affirmation

Simple form	V-ing form
I'd exist you'd exist she'd exist we'd exist you'd exist they'd exist	I'd be existing you'd be existing she'd be existing we'd be existing you'd be existing they'd be existing
Perfect	V-ing perfect
I would've existed you would've existed she would've existed we would've existed you would've existed they would've existed	I would've been existing you would've been existing she would've been existing we would've been existing you would've been existing they would've been existing

Negation

Simple form	V-ing form
I wouldn't exist you wouldn't exist she wouldn't exist we wouldn't exist you wouldn't exist they wouldn't exist	I wouldn't be existing you wouldn't be existing she wouldn't be existing we wouldn't be existing you wouldn't be existing they wouldn't be existing
Perfect	V-ing perfect
I wouldn't have existed you wouldn't have existed she wouldn't have existed we wouldn't have existed you wouldn't have existed they wouldn't have existed	I wouldn't have been existing you wouldn't have been existing she wouldn't have been existing we wouldn't have been existing you wouldn't have been existing they wouldn't have been existing

Interrogative form

Simple form	V-ing form
would I exist? would you exist? would she exist? would we exist? would you exist? would they exist?	would I be existing? would you be existing? would she be existing? would we be existing? would you be existing? would they be existing?
Perfect	V-ing perfect
would I have existed? would you have existed? would she have existed? would we have existed? would you have existed? would they have existed?	would I have been existing? would you have been existing? would she have been existing? would we have been existing? would you have been existing? would they have been existing?

Interro-negative form

Simple form	V-ing form
wouldn't I exist? wouldn't you exist? wouldn't she exist? wouldn't we exist? wouldn't you exist? wouldn't they exist?	wouldn't I be existing? wouldn't you be existing? wouldn't she be existing? wouldn't we be existing? wouldn't you be existing? wouldn't they be existing?
Perfect	V-ing perfect
wouldn't I have existed? wouldn't you have existed? wouldn't she have existed? wouldn't we have existed? wouldn't you have existed? wouldn't they have existed?	wouldn't I have been existing? wouldn't you have been existing? wouldn't she have been existing? wouldn't we have been existing? wouldn't you have been existing? wouldn't they have been existing?