English verb conjugation
WOULD PUFF

Regular verb: puff - puffed - puffed

Affirmation

Simple form	V-ing form
I'd puff you'd puff he'd puff we'd puff you'd puff they'd puff	I'd be puffing you'd be puffing he'd be puffing we'd be puffing you'd be puffing they'd be puffing
Perfect	V-ing perfect
I would've puffed you would've puffed he would've puffed we would've puffed you would've puffed they would've puffed	I would've been puffing you would've been puffing he would've been puffing we would've been puffing you would've been puffing they would've been puffing

Negation

Simple form	V-ing form
I wouldn't puff you wouldn't puff he wouldn't puff we wouldn't puff you wouldn't puff they wouldn't puff	I wouldn't be puffing you wouldn't be puffing he wouldn't be puffing we wouldn't be puffing you wouldn't be puffing they wouldn't be puffing
Perfect	V-ing perfect
I wouldn't have puffed you wouldn't have puffed he wouldn't have puffed we wouldn't have puffed you wouldn't have puffed they wouldn't have puffed	I wouldn't have been puffing you wouldn't have been puffing he wouldn't have been puffing we wouldn't have been puffing you wouldn't have been puffing they wouldn't have been puffing

Interrogative form

Simple form	V-ing form
would I puff? would you puff? would he puff? would we puff? would you puff? would they puff?	would I be puffing? would you be puffing? would he be puffing? would we be puffing? would you be puffing? would they be puffing?
Perfect	V-ing perfect
would I have puffed? would you have puffed? would he have puffed? would we have puffed? would you have puffed? would they have puffed?	would I have been puffing? would you have been puffing? would he have been puffing? would we have been puffing? would you have been puffing? would they have been puffing?

Interro-negative form

Simple form	V-ing form
wouldn't I puff? wouldn't you puff? wouldn't he puff? wouldn't we puff? wouldn't you puff? wouldn't they puff?	wouldn't I be puffing? wouldn't you be puffing? wouldn't he be puffing? wouldn't we be puffing? wouldn't you be puffing? wouldn't they be puffing?
Perfect	V-ing perfect
wouldn't I have puffed? wouldn't you have puffed? wouldn't he have puffed? wouldn't we have puffed? wouldn't you have puffed? wouldn't they have puffed?	wouldn't I have been puffing? wouldn't you have been puffing? wouldn't he have been puffing? wouldn't we have been puffing? wouldn't you have been puffing? wouldn't they have been puffing?