I ought to backsolve you ought to backsolve he ought to backsolve we ought to backsolve you ought to backsolve they ought to backsolve
V-ing form
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
V-ing perfect
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
Negation
Simple form
I ought not to backsolve you ought not to backsolve he ought not to backsolve we ought not to backsolve you ought not to backsolve they ought not to backsolve
V-ing form
I ought not to backsolving you ought not to backsolving he ought not to backsolving we ought not to backsolving you ought not to backsolving they ought not to backsolving
Perfect
I ought not to have backsolved you ought not to have backsolved he ought not to have backsolved we ought not to have backsolved you ought not to have backsolved they ought not to have backsolved
V-ing perfect
I ought not to have been backsolving you ought not to have been backsolving he ought not to have been backsolving we ought not to have been backsolving you ought not to have been backsolving they ought not to have been backsolving
Interrogative form
Simple form
ought to I backsolve? ought to you backsolve? ought to he backsolve? ought to we backsolve? ought to you backsolve? ought to they backsolve?
V-ing form
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?
V-ing perfect
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?
Interro-negative form
Simple form
ought I not to backsolve? ought you not to backsolve? ought he not to backsolve? ought we not to backsolve? ought you not to backsolve? ought they not to backsolve?
V-ing form
ought I not to be backsolving? ought you not to be backsolving? ought he not to be backsolving? ought we not to be backsolving? ought you not to be backsolving? ought they not to be backsolving?
Perfect
ought I not to have backsolved? ought you not to have backsolved? ought he not to have backsolved? ought we not to have backsolved? ought you not to have backsolved? ought they not to have backsolved?
V-ing perfect
ought I not to have been backsolving? ought you not to have been backsolving? ought he not to have been backsolving? ought we not to have been backsolving? ought you not to have been backsolving? ought they not to have been backsolving?