English verb conjugation
WOULD STACK

Regular verb: stack - stacked - stacked

Affirmation

Simple form	V-ing form
I'd stack you'd stack he'd stack we'd stack you'd stack they'd stack	I'd be stacking you'd be stacking he'd be stacking we'd be stacking you'd be stacking they'd be stacking
Perfect	V-ing perfect
I would've stacked you would've stacked he would've stacked we would've stacked you would've stacked they would've stacked	I would've been stacking you would've been stacking he would've been stacking we would've been stacking you would've been stacking they would've been stacking

Negation

Simple form	V-ing form
I wouldn't stack you wouldn't stack he wouldn't stack we wouldn't stack you wouldn't stack they wouldn't stack	I wouldn't be stacking you wouldn't be stacking he wouldn't be stacking we wouldn't be stacking you wouldn't be stacking they wouldn't be stacking
Perfect	V-ing perfect
I wouldn't have stacked you wouldn't have stacked he wouldn't have stacked we wouldn't have stacked you wouldn't have stacked they wouldn't have stacked	I wouldn't have been stacking you wouldn't have been stacking he wouldn't have been stacking we wouldn't have been stacking you wouldn't have been stacking they wouldn't have been stacking

Interrogative form

Simple form	V-ing form
would I stack? would you stack? would he stack? would we stack? would you stack? would they stack?	would I be stacking? would you be stacking? would he be stacking? would we be stacking? would you be stacking? would they be stacking?
Perfect	V-ing perfect
would I have stacked? would you have stacked? would he have stacked? would we have stacked? would you have stacked? would they have stacked?	would I have been stacking? would you have been stacking? would he have been stacking? would we have been stacking? would you have been stacking? would they have been stacking?

Interro-negative form

Simple form	V-ing form
wouldn't I stack? wouldn't you stack? wouldn't he stack? wouldn't we stack? wouldn't you stack? wouldn't they stack?	wouldn't I be stacking? wouldn't you be stacking? wouldn't he be stacking? wouldn't we be stacking? wouldn't you be stacking? wouldn't they be stacking?
Perfect	V-ing perfect
wouldn't I have stacked? wouldn't you have stacked? wouldn't he have stacked? wouldn't we have stacked? wouldn't you have stacked? wouldn't they have stacked?	wouldn't I have been stacking? wouldn't you have been stacking? wouldn't he have been stacking? wouldn't we have been stacking? wouldn't you have been stacking? wouldn't they have been stacking?