English verb conjugation
OUGHT TO PRESOLVE

Regular verb: presolve - presolved - presolved

Affirmation

Simple form	V-ing form
I ought to presolve you ought to presolve he ought to presolve we ought to presolve you ought to presolve they ought to presolve	I ought to be presolving you ought to be presolving he ought to be presolving we ought to be presolving you ought to be presolving they ought to be presolving
Perfect	V-ing perfect
I ought to have presolved you ought to have presolved he ought to have presolved we ought to have presolved you ought to have presolved they ought to have presolved	I ought to have been presolving you ought to have been presolving he ought to have been presolving we ought to have been presolving you ought to have been presolving they ought to have been presolving

Negation

Simple form	V-ing form
I oughtn't to presolve you oughtn't to presolve he oughtn't to presolve we oughtn't to presolve you oughtn't to presolve they oughtn't to presolve	I oughtn't to be presolving you oughtn't to be presolving he oughtn't to be presolving we oughtn't to be presolving you oughtn't to be presolving they oughtn't to be presolving
Perfect	V-ing perfect
I oughtn't to have presolved you oughtn't to have presolved he oughtn't to have presolved we oughtn't to have presolved you oughtn't to have presolved they oughtn't to have presolved	I oughtn't to have been presolving you oughtn't to have been presolving he oughtn't to have been presolving we oughtn't to have been presolving you oughtn't to have been presolving they oughtn't to have been presolving

Interrogative form

Simple form	V-ing form
ought to I presolve? ought to you presolve? ought to he presolve? ought to we presolve? ought to you presolve? ought to they presolve?	ought to I be presolving? ought to you be presolving? ought to he be presolving? ought to we be presolving? ought to you be presolving? ought to they be presolving?
Perfect	V-ing perfect
ought to I have presolved? ought to you have presolved? ought to he have presolved? ought to we have presolved? ought to you have presolved? ought to they have presolved?	ought to I have been presolving? ought to you have been presolving? ought to he have been presolving? ought to we have been presolving? ought to you have been presolving? ought to they have been presolving?

Interro-negative form

Simple form	V-ing form
oughtn't I to presolve? oughtn't you to presolve? oughtn't he to presolve? oughtn't we to presolve? oughtn't you to presolve? oughtn't they to presolve?	oughtn't I to be presolving? oughtn't you to be presolving? oughtn't he to be presolving? oughtn't we to be presolving? oughtn't you to be presolving? oughtn't they to be presolving?
Perfect	V-ing perfect
oughtn't I to have presolved? oughtn't you to have presolved? oughtn't he to have presolved? oughtn't we to have presolved? oughtn't you to have presolved? oughtn't they to have presolved?	oughtn't I to have been presolving? oughtn't you to have been presolving? oughtn't he to have been presolving? oughtn't we to have been presolving? oughtn't you to have been presolving? oughtn't they to have been presolving?