I ought to backsolve you ought to backsolve he ought to backsolve we ought to backsolve you ought to backsolve they ought to backsolve
Forme en V-ing
I ought to be backsolving you ought to be backsolving he ought to be backsolving we ought to be backsolving you ought to be backsolving they ought to be backsolving
Perfect
I ought to have backsolved you ought to have backsolved he ought to have backsolved we ought to have backsolved you ought to have backsolved they ought to have backsolved
Perfect en V-ing
I ought to have been backsolving you ought to have been backsolving he ought to have been backsolving we ought to have been backsolving you ought to have been backsolving they ought to have been backsolving
Négation
Forme simple
I oughtn't to backsolve you oughtn't to backsolve he oughtn't to backsolve we oughtn't to backsolve you oughtn't to backsolve they oughtn't to backsolve
Forme en V-ing
I oughtn't to be backsolving you oughtn't to be backsolving he oughtn't to be backsolving we oughtn't to be backsolving you oughtn't to be backsolving they oughtn't to be backsolving
Perfect
I oughtn't to have backsolved you oughtn't to have backsolved he oughtn't to have backsolved we oughtn't to have backsolved you oughtn't to have backsolved they oughtn't to have backsolved
Perfect en V-ing
I oughtn't to have been backsolving you oughtn't to have been backsolving he oughtn't to have been backsolving we oughtn't to have been backsolving you oughtn't to have been backsolving they oughtn't to have been backsolving
Forme interrogative
Forme simple
ought to I backsolve? ought to you backsolve? ought to he backsolve? ought to we backsolve? ought to you backsolve? ought to they backsolve?
Forme en V-ing
ought to I be backsolving? ought to you be backsolving? ought to he be backsolving? ought to we be backsolving? ought to you be backsolving? ought to they be backsolving?
Perfect
ought to I have backsolved? ought to you have backsolved? ought to he have backsolved? ought to we have backsolved? ought to you have backsolved? ought to they have backsolved?
Perfect en V-ing
ought to I have been backsolving? ought to you have been backsolving? ought to he have been backsolving? ought to we have been backsolving? ought to you have been backsolving? ought to they have been backsolving?
Forme interro-négative
Forme simple
oughtn't I to backsolve? oughtn't you to backsolve? oughtn't he to backsolve? oughtn't we to backsolve? oughtn't you to backsolve? oughtn't they to backsolve?
Forme en V-ing
oughtn't I to be backsolving? oughtn't you to be backsolving? oughtn't he to be backsolving? oughtn't we to be backsolving? oughtn't you to be backsolving? oughtn't they to be backsolving?
Perfect
oughtn't I to have backsolved? oughtn't you to have backsolved? oughtn't he to have backsolved? oughtn't we to have backsolved? oughtn't you to have backsolved? oughtn't they to have backsolved?
Perfect en V-ing
oughtn't I to have been backsolving? oughtn't you to have been backsolving? oughtn't he to have been backsolving? oughtn't we to have been backsolving? oughtn't you to have been backsolving? oughtn't they to have been backsolving?