ought to cost
Verbo irregular: cost - cost- cost

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought to cost
you ought to cost
he ought to cost
we ought to cost
you ought to cost
they ought to cost 	I ought to be costing
you ought to be costing
he ought to be costing
we ought to be costing
you ought to be costing
they ought to be costing	I ought to have cost
you ought to have cost
he ought to have cost
we ought to have cost
you ought to have cost
they ought to have cost	I ought to have been costing
you ought to have been costing
he ought to have been costing
we ought to have been costing
you ought to have been costing
they ought to have been costing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I oughtn't to cost
you oughtn't to cost
he oughtn't to cost
we oughtn't to cost
you oughtn't to cost
they oughtn't to cost 	I oughtn't to be costing
you oughtn't to be costing
he oughtn't to be costing
we oughtn't to be costing
you oughtn't to be costing
they oughtn't to be costing	I oughtn't to have cost
you oughtn't to have cost
he oughtn't to have cost
we oughtn't to have cost
you oughtn't to have cost
they oughtn't to have cost	I oughtn't to have been costing
you oughtn't to have been costing
he oughtn't to have been costing
we oughtn't to have been costing
you oughtn't to have been costing
they oughtn't to have been costing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought to I cost?
ought to you cost?
ought to he cost?
ought to we cost?
ought to you cost?
ought to they cost? 	ought to I be costing?
ought to you be costing?
ought to he be costing?
ought to we be costing?
ought to you be costing?
ought to they be costing? 	ought to I have cost?
ought to you have cost?
ought to he have cost?
ought to we have cost?
ought to you have cost?
ought to they have cost? 	ought to I have been costing?
ought to you have been costing?
ought to he have been costing?
ought to we have been costing?
ought to you have been costing?
ought to they have been costing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
oughtn't I to cost?
oughtn't you to cost?
oughtn't he to cost?
oughtn't we to cost?
oughtn't you to cost?
oughtn't they to cost? 	oughtn't I to be costing?
oughtn't you to be costing?
oughtn't he to be costing?
oughtn't we to be costing?
oughtn't you to be costing?
oughtn't they to be costing? 	oughtn't I to have cost?
oughtn't you to have cost?
oughtn't he to have cost?
oughtn't we to have cost?
oughtn't you to have cost?
oughtn't they to have cost? 	oughtn't I to have been costing?
oughtn't you to have been costing?
oughtn't he to have been costing?
oughtn't we to have been costing?
oughtn't you to have been costing?
oughtn't they to have been costing?