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