would understate
Regular verb: understate - understated- understated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd understate
you'd understate
she'd understate
we'd understate
you'd understate
they'd understate 	I'd be understating
you'd be understating
she'd be understating
we'd be understating
you'd be understating
they'd be understating	I would've understated
you would've understated
she would've understated
we would've understated
you would've understated
they would've understated	I would've been understating
you would've been understating
she would've been understating
we would've been understating
you would've been understating
they would've been understating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I wouldn't understate
you wouldn't understate
she wouldn't understate
we wouldn't understate
you wouldn't understate
they wouldn't understate 	I wouldn't be understating
you wouldn't be understating
she wouldn't be understating
we wouldn't be understating
you wouldn't be understating
they wouldn't be understating	I wouldn't have understated
you wouldn't have understated
she wouldn't have understated
we wouldn't have understated
you wouldn't have understated
they wouldn't have understated	I wouldn't have been understating
you wouldn't have been understating
she wouldn't have been understating
we wouldn't have been understating
you wouldn't have been understating
they wouldn't have been understating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
would I understate?
would you understate?
would she understate?
would we understate?
would you understate?
would they understate? 	would I be understating?
would you be understating?
would she be understating?
would we be understating?
would you be understating?
would they be understating? 	would I have understated?
would you have understated?
would she have understated?
would we have understated?
would you have understated?
would they have understated? 	would I have been understating?
would you have been understating?
would she have been understating?
would we have been understating?
would you have been understating?
would they have been understating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
wouldn't I understate?
wouldn't you understate?
wouldn't she understate?
wouldn't we understate?
wouldn't you understate?
wouldn't they understate? 	wouldn't I be understating?
wouldn't you be understating?
wouldn't she be understating?
wouldn't we be understating?
wouldn't you be understating?
wouldn't they be understating? 	wouldn't I have understated?
wouldn't you have understated?
wouldn't she have understated?
wouldn't we have understated?
wouldn't you have understated?
wouldn't they have understated? 	wouldn't I have been understating?
wouldn't you have been understating?
wouldn't she have been understating?
wouldn't we have been understating?
wouldn't you have been understating?
wouldn't they have been understating?