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 ought not to cost
you ought not to cost
he ought not to cost
we ought not to cost
you ought not to cost
they ought not to cost 	I ought not to costing
you ought not to costing
he ought not to costing
we ought not to costing
you ought not to costing
they ought not to costing	I ought not to have cost
you ought not to have cost
he ought not to have cost
we ought not to have cost
you ought not to have cost
they ought not to have cost	I ought not to have been costing
you ought not to have been costing
he ought not to have been costing
we ought not to have been costing
you ought not to have been costing
they ought not 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 	
ought I not to cost?
ought you not to cost?
ought he not to cost?
ought we not to cost?
ought you not to cost?
ought they not to cost? 	ought I not to be costing?
ought you not to be costing?
ought he not to be costing?
ought we not to be costing?
ought you not to be costing?
ought they not to be costing? 	ought I not to have cost?
ought you not to have cost?
ought he not to have cost?
ought we not to have cost?
ought you not to have cost?
ought they not to have cost? 	ought I not to have been costing?
ought you not to have been costing?
ought he not to have been costing?
ought we not to have been costing?
ought you not to have been costing?
ought they not to have been costing?