would undervalue
Regular verb: undervalue - undervalued- undervalued

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd undervalue
you'd undervalue
he'd undervalue
we'd undervalue
you'd undervalue
they'd undervalue 	I'd be undervaluing
you'd be undervaluing
he'd be undervaluing
we'd be undervaluing
you'd be undervaluing
they'd be undervaluing	I would've undervalued
you would've undervalued
he would've undervalued
we would've undervalued
you would've undervalued
they would've undervalued	I would've been undervaluing
you would've been undervaluing
he would've been undervaluing
we would've been undervaluing
you would've been undervaluing
they would've been undervaluing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I wouldn't undervalue
you wouldn't undervalue
he wouldn't undervalue
we wouldn't undervalue
you wouldn't undervalue
they wouldn't undervalue 	I wouldn't be undervaluing
you wouldn't be undervaluing
he wouldn't be undervaluing
we wouldn't be undervaluing
you wouldn't be undervaluing
they wouldn't be undervaluing	I wouldn't have undervalued
you wouldn't have undervalued
he wouldn't have undervalued
we wouldn't have undervalued
you wouldn't have undervalued
they wouldn't have undervalued	I wouldn't have been undervaluing
you wouldn't have been undervaluing
he wouldn't have been undervaluing
we wouldn't have been undervaluing
you wouldn't have been undervaluing
they wouldn't have been undervaluing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
would I undervalue?
would you undervalue?
would he undervalue?
would we undervalue?
would you undervalue?
would they undervalue? 	would I be undervaluing?
would you be undervaluing?
would he be undervaluing?
would we be undervaluing?
would you be undervaluing?
would they be undervaluing? 	would I have undervalued?
would you have undervalued?
would he have undervalued?
would we have undervalued?
would you have undervalued?
would they have undervalued? 	would I have been undervaluing?
would you have been undervaluing?
would he have been undervaluing?
would we have been undervaluing?
would you have been undervaluing?
would they have been undervaluing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
wouldn't I undervalue?
wouldn't you undervalue?
wouldn't he undervalue?
wouldn't we undervalue?
wouldn't you undervalue?
wouldn't they undervalue? 	wouldn't I be undervaluing?
wouldn't you be undervaluing?
wouldn't he be undervaluing?
wouldn't we be undervaluing?
wouldn't you be undervaluing?
wouldn't they be undervaluing? 	wouldn't I have undervalued?
wouldn't you have undervalued?
wouldn't he have undervalued?
wouldn't we have undervalued?
wouldn't you have undervalued?
wouldn't they have undervalued? 	wouldn't I have been undervaluing?
wouldn't you have been undervaluing?
wouldn't he have been undervaluing?
wouldn't we have been undervaluing?
wouldn't you have been undervaluing?
wouldn't they have been undervaluing?