shall cost
Verbo irregular: cost - cost- cost

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'll cost
you'll cost
he'll cost
we'll cost
you'll cost
they'll cost 	I'll be costing
you'll be costing
he'll be costing
we'll be costing
you'll be costing
they'll be costing	I'll have cost
you'll have cost
he'll have cost
we'll have cost
you'll have cost
they'll have cost	I'll have been costing
you'll have been costing
he'll have been costing
we'll have been costing
you'll have been costing
they'll have been costing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shan't cost
you shan't cost
he shan't cost
we shan't cost
you shan't cost
they shan't cost 	I shan't be costing
you shan't be costing
he shan't be costing
we shan't be costing
you shan't be costing
they shan't be costing	I shan't have cost
you shan't have cost
he shan't have cost
we shan't have cost
you shan't have cost
they shan't have cost	I shan't have been costing
you shan't have been costing
he 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 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shall I cost?
shall you cost?
shall he cost?
shall we cost?
shall you cost?
shall they cost? 	shall I be costing?
shall you be costing?
shall he be costing?
shall we be costing?
shall you be costing?
shall they be costing? 	shall I have cost?
shall you have cost?
shall he have cost?
shall we have cost?
shall you have cost?
shall they have cost? 	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? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shan't I cost?
shan't you cost?
shan't he cost?
shan't we cost?
shan't you cost?
shan't they cost? 	shan't I be costing?
shan't you be costing?
shan't he be costing?
shan't we be costing?
shan't you be costing?
shan't they be costing? 	shan't I have cost?
shan't you have cost?
shan't he have cost?
shan't we have cost?
shan't you have cost?
shan't they have cost? 	shan't I have been costing?
shan't you have been costing?
shan't he have been costing?
shan't we have been costing?
shan't you have been costing?
shan't they have been costing?