English verb conjugation
WOULD COST

Irregular verb: cost - cost - cost

Affirmation

Simple form	V-ing form
I'd cost you'd cost she'd cost we'd cost you'd cost they'd cost	I'd be costing you'd be costing she'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 she 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 she 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 she 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 she 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 she 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 she 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 she cost? would we cost? would you cost? would they cost?	would I be costing? would you be costing? would she 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 she 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 she 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 she 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 she 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 she 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 she have been costing? wouldn't we have been costing? wouldn't you have been costing? wouldn't they have been costing?