I shall cost you shall cost he shall cost we shall cost you shall cost they shall cost
V-ing form
I shall be costing you shall be costing he shall be costing we shall be costing you shall be costing they shall be costing
Perfect
I shall have cost you shall have cost he shall have cost we shall have cost you shall have cost they shall have cost
V-ing perfect
I shall have been costing you shall have been costing he shall have been costing we shall have been costing you shall have been costing they shall have been costing
Negation
Simple form
I shall not cost you shall not cost he shall not cost we shall not cost you shall not cost they shall not cost
V-ing form
I shall not be costing you shall not be costing he shall not be costing we shall not be costing you shall not be costing they shall not be costing
Perfect
I shall not have cost you shall not have cost he shall not have cost we shall not have cost you shall not have cost they shall not have cost
V-ing perfect
I shall not have been costing you shall not have been costing he shall not have been costing we shall not have been costing you shall not have been costing they shall not have been costing
Interrogative form
Simple form
shall I cost? shall you cost? shall he cost? shall we cost? shall you cost? shall they cost?
V-ing form
shall I be costing? shall you be costing? shall he be costing? shall we be costing? shall you be costing? shall they be costing?
Perfect
shall I have cost? shall you have cost? shall he have cost? shall we have cost? shall you have cost? shall they have cost?
V-ing perfect
shall I have been costing? shall you have been costing? shall he have been costing? shall we have been costing? shall you have been costing? shall they have been costing?
Interro-negative form
Simple form
shall I not cost? shall you not cost? shall he not cost? shall we not cost? shall you not cost? shall they not cost?
V-ing form
shall I not be costing? shall you not be costing? shall he not be costing? shall we not be costing? shall you not be costing? shall they not be costing?
Perfect
shall I not have cost? shall you not have cost? shall he not have cost? shall we not have cost? shall you not have cost? shall they not have cost?
V-ing perfect
shall I not have been costing? shall you not have been costing? shall he not have been costing? shall we not have been costing? shall you not have been costing? shall they not have been costing?