English verb conjugation
WOULD BIFF

Regular verb: biff - biffed - biffed

Affirmation

Simple form	V-ing form
I'd biff you'd biff he'd biff we'd biff you'd biff they'd biff	I'd be biffing you'd be biffing he'd be biffing we'd be biffing you'd be biffing they'd be biffing
Perfect	V-ing perfect
I would've biffed you would've biffed he would've biffed we would've biffed you would've biffed they would've biffed	I would've been biffing you would've been biffing he would've been biffing we would've been biffing you would've been biffing they would've been biffing

Negation

Simple form	V-ing form
I wouldn't biff you wouldn't biff he wouldn't biff we wouldn't biff you wouldn't biff they wouldn't biff	I wouldn't be biffing you wouldn't be biffing he wouldn't be biffing we wouldn't be biffing you wouldn't be biffing they wouldn't be biffing
Perfect	V-ing perfect
I wouldn't have biffed you wouldn't have biffed he wouldn't have biffed we wouldn't have biffed you wouldn't have biffed they wouldn't have biffed	I wouldn't have been biffing you wouldn't have been biffing he wouldn't have been biffing we wouldn't have been biffing you wouldn't have been biffing they wouldn't have been biffing

Interrogative form

Simple form	V-ing form
would I biff? would you biff? would he biff? would we biff? would you biff? would they biff?	would I be biffing? would you be biffing? would he be biffing? would we be biffing? would you be biffing? would they be biffing?
Perfect	V-ing perfect
would I have biffed? would you have biffed? would he have biffed? would we have biffed? would you have biffed? would they have biffed?	would I have been biffing? would you have been biffing? would he have been biffing? would we have been biffing? would you have been biffing? would they have been biffing?

Interro-negative form

Simple form	V-ing form
wouldn't I biff? wouldn't you biff? wouldn't he biff? wouldn't we biff? wouldn't you biff? wouldn't they biff?	wouldn't I be biffing? wouldn't you be biffing? wouldn't he be biffing? wouldn't we be biffing? wouldn't you be biffing? wouldn't they be biffing?
Perfect	V-ing perfect
wouldn't I have biffed? wouldn't you have biffed? wouldn't he have biffed? wouldn't we have biffed? wouldn't you have biffed? wouldn't they have biffed?	wouldn't I have been biffing? wouldn't you have been biffing? wouldn't he have been biffing? wouldn't we have been biffing? wouldn't you have been biffing? wouldn't they have been biffing?