English verb conjugation
WOULD COST

Irregular verb: cost - cost - cost

Affirmation

Simple form	V-ing form
I'd cost you'd cost he'd cost we'd cost you'd cost they'd cost	I'd be costing you'd be costing he'd be costing we'd be costing you'd be costing they'd be costing
Perfect	V-ing perfect
I would've cost you would've cost he would've cost we would've cost you would've cost they would've cost	I would've been costing you would've been costing he would've been costing we would've been costing you would've been costing they would've been costing

Negation

Simple form	V-ing form
I wouldn't cost you wouldn't cost he wouldn't cost we wouldn't cost you wouldn't cost they wouldn't cost	I wouldn't be costing you wouldn't be costing he wouldn't be costing we wouldn't be costing you wouldn't be costing they wouldn't be costing
Perfect	V-ing perfect
I wouldn't have cost you wouldn't have cost he wouldn't have cost we wouldn't have cost you wouldn't have cost they wouldn't have cost	I wouldn't have been costing you wouldn't have been costing he wouldn't have been costing we wouldn't have been costing you wouldn't have been costing they wouldn't have been costing

Interrogative form

Simple form	V-ing form
would I cost? would you cost? would he cost? would we cost? would you cost? would they cost?	would I be costing? would you be costing? would he be costing? would we be costing? would you be costing? would they be costing?
Perfect	V-ing perfect
would I have cost? would you have cost? would he have cost? would we have cost? would you have cost? would they have cost?	would I have been costing? would you have been costing? would he have been costing? would we have been costing? would you have been costing? would they have been costing?

Interro-negative form

Simple form	V-ing form
wouldn't I cost? wouldn't you cost? wouldn't he cost? wouldn't we cost? wouldn't you cost? wouldn't they cost?	wouldn't I be costing? wouldn't you be costing? wouldn't he be costing? wouldn't we be costing? wouldn't you be costing? wouldn't they be costing?
Perfect	V-ing perfect
wouldn't I have cost? wouldn't you have cost? wouldn't he have cost? wouldn't we have cost? wouldn't you have cost? wouldn't they have cost?	wouldn't I have been costing? wouldn't you have been costing? wouldn't he have been costing? wouldn't we have been costing? wouldn't you have been costing? wouldn't they have been costing?