English verb conjugation
WOULD COST

Irregular verb: cost - cost - cost

Affirmation

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

Negation

Simple form	V-ing form
I would not cost you would not cost he would not cost we would not cost you would not cost they would not cost	I would not be costing you would not be costing he would not be costing we would not be costing you would not be costing they would not be costing
Perfect	V-ing perfect
I would not have cost you would not have cost he would not have cost we would not have cost you would not have cost they would not have cost	I would not have been costing you would not have been costing he would not have been costing we would not have been costing you would not have been costing they would not 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
would I not cost? would you not cost? would he not cost? would we not cost? would you not cost? would they not cost?	would I not be costing? would you not be costing? would he not be costing? would we not be costing? would you not be costing? would they not be costing?
Perfect	V-ing perfect
would I not have cost? would you not have cost? would he not have cost? would we not have cost? would you not have cost? would they not have cost?	would I not have been costing? would you not have been costing? would he not have been costing? would we not have been costing? would you not have been costing? would they not have been costing?