would exist
Regular verb: exist - existed- existed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd exist
you'd exist
he'd exist
we'd exist
you'd exist
they'd exist 	I'd be existing
you'd be existing
he'd be existing
we'd be existing
you'd be existing
they'd be existing	I would've existed
you would've existed
he 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
he 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 	Perfect 	V-ing perfect 	
I wouldn't exist
you wouldn't exist
he 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
he wouldn't be existing
we wouldn't be existing
you wouldn't be existing
they wouldn't be existing	I wouldn't have existed
you wouldn't have existed
he 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
he 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 	Perfect 	V-ing perfect 	
would I exist?
would you exist?
would he exist?
would we exist?
would you exist?
would they exist? 	would I be existing?
would you be existing?
would he be existing?
would we be existing?
would you be existing?
would they be existing? 	would I have existed?
would you have existed?
would he 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 he 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 	Perfect 	V-ing perfect 	
wouldn't I exist?
wouldn't you exist?
wouldn't he 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 he be existing?
wouldn't we be existing?
wouldn't you be existing?
wouldn't they be existing? 	wouldn't I have existed?
wouldn't you have existed?
wouldn't he 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 he have been existing?
wouldn't we have been existing?
wouldn't you have been existing?
wouldn't they have been existing?