I'll be costing you'll be costing she'll be costing we'll be costing you'll be costing they'll be costing
Perfecto
I'll have cost you'll have cost she'll have cost we'll have cost you'll have cost they'll have cost
Perfecto con V-ing
I'll have been costing you'll have been costing she'll have been costing we'll have been costing you'll have been costing they'll have been costing
Negación
Forma simple
I shan't cost you shan't cost she shan't cost we shan't cost you shan't cost they shan't cost
Forma con V-ing
I shan't be costing you shan't be costing she shan't be costing we shan't be costing you shan't be costing they shan't be costing
Perfecto
I shan't have cost you shan't have cost she shan't have cost we shan't have cost you shan't have cost they shan't have cost
Perfecto con V-ing
I shan't have been costing you shan't have been costing she shan't have been costing we shan't have been costing you shan't have been costing they shan't have been costing
Forma interrogativa
Forma simple
shall I cost? shall you cost? shall she cost? shall we cost? shall you cost? shall they cost?
Forma con V-ing
shall I be costing? shall you be costing? shall she be costing? shall we be costing? shall you be costing? shall they be costing?
Perfecto
shall I have cost? shall you have cost? shall she have cost? shall we have cost? shall you have cost? shall they have cost?
Perfecto con V-ing
shall I have been costing? shall you have been costing? shall she have been costing? shall we have been costing? shall you have been costing? shall they have been costing?
Forma interro-negativa
Forma simple
shan't I cost? shan't you cost? shan't she cost? shan't we cost? shan't you cost? shan't they cost?
Forma con V-ing
shan't I be costing? shan't you be costing? shan't she be costing? shan't we be costing? shan't you be costing? shan't they be costing?
Perfecto
shan't I have cost? shan't you have cost? shan't she have cost? shan't we have cost? shan't you have cost? shan't they have cost?
Perfecto con V-ing
shan't I have been costing? shan't you have been costing? shan't she have been costing? shan't we have been costing? shan't you have been costing? shan't they have been costing?