English verb conjugation
WOULD TIFF

Regular verb: tiff - tiffed - tiffed

Affirmation

Simple form	V-ing form
I'd tiff you'd tiff he'd tiff we'd tiff you'd tiff they'd tiff	I'd be tiffing you'd be tiffing he'd be tiffing we'd be tiffing you'd be tiffing they'd be tiffing
Perfect	V-ing perfect
I would've tiffed you would've tiffed he would've tiffed we would've tiffed you would've tiffed they would've tiffed	I would've been tiffing you would've been tiffing he would've been tiffing we would've been tiffing you would've been tiffing they would've been tiffing

Negation

Simple form	V-ing form
I wouldn't tiff you wouldn't tiff he wouldn't tiff we wouldn't tiff you wouldn't tiff they wouldn't tiff	I wouldn't be tiffing you wouldn't be tiffing he wouldn't be tiffing we wouldn't be tiffing you wouldn't be tiffing they wouldn't be tiffing
Perfect	V-ing perfect
I wouldn't have tiffed you wouldn't have tiffed he wouldn't have tiffed we wouldn't have tiffed you wouldn't have tiffed they wouldn't have tiffed	I wouldn't have been tiffing you wouldn't have been tiffing he wouldn't have been tiffing we wouldn't have been tiffing you wouldn't have been tiffing they wouldn't have been tiffing

Interrogative form

Simple form	V-ing form
would I tiff? would you tiff? would he tiff? would we tiff? would you tiff? would they tiff?	would I be tiffing? would you be tiffing? would he be tiffing? would we be tiffing? would you be tiffing? would they be tiffing?
Perfect	V-ing perfect
would I have tiffed? would you have tiffed? would he have tiffed? would we have tiffed? would you have tiffed? would they have tiffed?	would I have been tiffing? would you have been tiffing? would he have been tiffing? would we have been tiffing? would you have been tiffing? would they have been tiffing?

Interro-negative form

Simple form	V-ing form
wouldn't I tiff? wouldn't you tiff? wouldn't he tiff? wouldn't we tiff? wouldn't you tiff? wouldn't they tiff?	wouldn't I be tiffing? wouldn't you be tiffing? wouldn't he be tiffing? wouldn't we be tiffing? wouldn't you be tiffing? wouldn't they be tiffing?
Perfect	V-ing perfect
wouldn't I have tiffed? wouldn't you have tiffed? wouldn't he have tiffed? wouldn't we have tiffed? wouldn't you have tiffed? wouldn't they have tiffed?	wouldn't I have been tiffing? wouldn't you have been tiffing? wouldn't he have been tiffing? wouldn't we have been tiffing? wouldn't you have been tiffing? wouldn't they have been tiffing?