would riff
Regular verb: riff - riffed- riffed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd riff
you'd riff
she'd riff
we'd riff
you'd riff
they'd riff 	I'd be riffing
you'd be riffing
she'd be riffing
we'd be riffing
you'd be riffing
they'd be riffing	I would've riffed
you would've riffed
she would've riffed
we would've riffed
you would've riffed
they would've riffed	I would've been riffing
you would've been riffing
she would've been riffing
we would've been riffing
you would've been riffing
they would've been riffing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I wouldn't riff
you wouldn't riff
she wouldn't riff
we wouldn't riff
you wouldn't riff
they wouldn't riff 	I wouldn't be riffing
you wouldn't be riffing
she wouldn't be riffing
we wouldn't be riffing
you wouldn't be riffing
they wouldn't be riffing	I wouldn't have riffed
you wouldn't have riffed
she wouldn't have riffed
we wouldn't have riffed
you wouldn't have riffed
they wouldn't have riffed	I wouldn't have been riffing
you wouldn't have been riffing
she wouldn't have been riffing
we wouldn't have been riffing
you wouldn't have been riffing
they wouldn't have been riffing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
would I riff?
would you riff?
would she riff?
would we riff?
would you riff?
would they riff? 	would I be riffing?
would you be riffing?
would she be riffing?
would we be riffing?
would you be riffing?
would they be riffing? 	would I have riffed?
would you have riffed?
would she have riffed?
would we have riffed?
would you have riffed?
would they have riffed? 	would I have been riffing?
would you have been riffing?
would she have been riffing?
would we have been riffing?
would you have been riffing?
would they have been riffing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
wouldn't I riff?
wouldn't you riff?
wouldn't she riff?
wouldn't we riff?
wouldn't you riff?
wouldn't they riff? 	wouldn't I be riffing?
wouldn't you be riffing?
wouldn't she be riffing?
wouldn't we be riffing?
wouldn't you be riffing?
wouldn't they be riffing? 	wouldn't I have riffed?
wouldn't you have riffed?
wouldn't she have riffed?
wouldn't we have riffed?
wouldn't you have riffed?
wouldn't they have riffed? 	wouldn't I have been riffing?
wouldn't you have been riffing?
wouldn't she have been riffing?
wouldn't we have been riffing?
wouldn't you have been riffing?
wouldn't they have been riffing?