would stiff
Regular verb: stiff - stiffed- stiffed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd stiff
you'd stiff
he'd stiff
we'd stiff
you'd stiff
they'd stiff 	I'd be stiffing
you'd be stiffing
he'd be stiffing
we'd be stiffing
you'd be stiffing
they'd be stiffing	I would've stiffed
you would've stiffed
he would've stiffed
we would've stiffed
you would've stiffed
they would've stiffed	I would've been stiffing
you would've been stiffing
he would've been stiffing
we would've been stiffing
you would've been stiffing
they would've been stiffing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I wouldn't stiff
you wouldn't stiff
he wouldn't stiff
we wouldn't stiff
you wouldn't stiff
they wouldn't stiff 	I wouldn't be stiffing
you wouldn't be stiffing
he wouldn't be stiffing
we wouldn't be stiffing
you wouldn't be stiffing
they wouldn't be stiffing	I wouldn't have stiffed
you wouldn't have stiffed
he wouldn't have stiffed
we wouldn't have stiffed
you wouldn't have stiffed
they wouldn't have stiffed	I wouldn't have been stiffing
you wouldn't have been stiffing
he wouldn't have been stiffing
we wouldn't have been stiffing
you wouldn't have been stiffing
they wouldn't have been stiffing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
would I stiff?
would you stiff?
would he stiff?
would we stiff?
would you stiff?
would they stiff? 	would I be stiffing?
would you be stiffing?
would he be stiffing?
would we be stiffing?
would you be stiffing?
would they be stiffing? 	would I have stiffed?
would you have stiffed?
would he have stiffed?
would we have stiffed?
would you have stiffed?
would they have stiffed? 	would I have been stiffing?
would you have been stiffing?
would he have been stiffing?
would we have been stiffing?
would you have been stiffing?
would they have been stiffing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
wouldn't I stiff?
wouldn't you stiff?
wouldn't he stiff?
wouldn't we stiff?
wouldn't you stiff?
wouldn't they stiff? 	wouldn't I be stiffing?
wouldn't you be stiffing?
wouldn't he be stiffing?
wouldn't we be stiffing?
wouldn't you be stiffing?
wouldn't they be stiffing? 	wouldn't I have stiffed?
wouldn't you have stiffed?
wouldn't he have stiffed?
wouldn't we have stiffed?
wouldn't you have stiffed?
wouldn't they have stiffed? 	wouldn't I have been stiffing?
wouldn't you have been stiffing?
wouldn't he have been stiffing?
wouldn't we have been stiffing?
wouldn't you have been stiffing?
wouldn't they have been stiffing?