I ought to cost you ought to cost she ought to cost we ought to cost you ought to cost they ought to cost
Forme en V-ing
I ought to be costing you ought to be costing she ought to be costing we ought to be costing you ought to be costing they ought to be costing
Perfect
I ought to have cost you ought to have cost she ought to have cost we ought to have cost you ought to have cost they ought to have cost
Perfect en V-ing
I ought to have been costing you ought to have been costing she ought to have been costing we ought to have been costing you ought to have been costing they ought to have been costing
Négation
Forme simple
I oughtn't to cost you oughtn't to cost she oughtn't to cost we oughtn't to cost you oughtn't to cost they oughtn't to cost
Forme en V-ing
I oughtn't to be costing you oughtn't to be costing she oughtn't to be costing we oughtn't to be costing you oughtn't to be costing they oughtn't to be costing
Perfect
I oughtn't to have cost you oughtn't to have cost she oughtn't to have cost we oughtn't to have cost you oughtn't to have cost they oughtn't to have cost
Perfect en V-ing
I oughtn't to have been costing you oughtn't to have been costing she 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
Forme interrogative
Forme simple
ought to I cost? ought to you cost? ought to she cost? ought to we cost? ought to you cost? ought to they cost?
Forme en V-ing
ought to I be costing? ought to you be costing? ought to she be costing? ought to we be costing? ought to you be costing? ought to they be costing?
Perfect
ought to I have cost? ought to you have cost? ought to she have cost? ought to we have cost? ought to you have cost? ought to they have cost?
Perfect en V-ing
ought to I have been costing? ought to you have been costing? ought to she have been costing? ought to we have been costing? ought to you have been costing? ought to they have been costing?
Forme interro-négative
Forme simple
oughtn't I to cost? oughtn't you to cost? oughtn't she to cost? oughtn't we to cost? oughtn't you to cost? oughtn't they to cost?
Forme en V-ing
oughtn't I to be costing? oughtn't you to be costing? oughtn't she to be costing? oughtn't we to be costing? oughtn't you to be costing? oughtn't they to be costing?
Perfect
oughtn't I to have cost? oughtn't you to have cost? oughtn't she to have cost? oughtn't we to have cost? oughtn't you to have cost? oughtn't they to have cost?
Perfect en V-ing
oughtn't I to have been costing? oughtn't you to have been costing? oughtn't she 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?