shall cost
Irregular verb: cost - cost- cost

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'll cost
you'll cost
she'll cost
we'll cost
you'll cost
they'll cost 	I'll be costing
you'll be costing
she'll be costing
we'll be costing
you'll be costing
they'll be costing	I'll have cost
you'll have cost
she'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
she'll have been costing
we'll have been costing
you'll have been costing
they'll have been costing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shan't cost
you shan't cost
she 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
she 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
she 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
she shan't have been costing
we shan't have been costing
you shan't have been costing
they shan't have been costing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I cost?
shall you cost?
shall she cost?
shall we cost?
shall you cost?
shall they cost? 	shall I be costing?
shall you be costing?
shall she be costing?
shall we be costing?
shall you be costing?
shall they be costing? 	shall I have cost?
shall you have cost?
shall she 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 she have been costing?
shall we have been costing?
shall you have been costing?
shall they have been costing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shan't I cost?
shan't you cost?
shan't she 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 she 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 she 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 she have been costing?
shan't we have been costing?
shan't you have been costing?
shan't they have been costing?