English verb conjugation
OUGHT TO INCURVE

Regular verb: incurve - incurved - incurved

Affirmation

Simple form	V-ing form
I ought to incurve you ought to incurve she ought to incurve we ought to incurve you ought to incurve they ought to incurve	I ought to be incurving you ought to be incurving she ought to be incurving we ought to be incurving you ought to be incurving they ought to be incurving
Perfect	V-ing perfect
I ought to have incurved you ought to have incurved she ought to have incurved we ought to have incurved you ought to have incurved they ought to have incurved	I ought to have been incurving you ought to have been incurving she ought to have been incurving we ought to have been incurving you ought to have been incurving they ought to have been incurving

Negation

Simple form	V-ing form
I oughtn't to incurve you oughtn't to incurve she oughtn't to incurve we oughtn't to incurve you oughtn't to incurve they oughtn't to incurve	I oughtn't to be incurving you oughtn't to be incurving she oughtn't to be incurving we oughtn't to be incurving you oughtn't to be incurving they oughtn't to be incurving
Perfect	V-ing perfect
I oughtn't to have incurved you oughtn't to have incurved she oughtn't to have incurved we oughtn't to have incurved you oughtn't to have incurved they oughtn't to have incurved	I oughtn't to have been incurving you oughtn't to have been incurving she oughtn't to have been incurving we oughtn't to have been incurving you oughtn't to have been incurving they oughtn't to have been incurving

Interrogative form

Simple form	V-ing form
ought to I incurve? ought to you incurve? ought to she incurve? ought to we incurve? ought to you incurve? ought to they incurve?	ought to I be incurving? ought to you be incurving? ought to she be incurving? ought to we be incurving? ought to you be incurving? ought to they be incurving?
Perfect	V-ing perfect
ought to I have incurved? ought to you have incurved? ought to she have incurved? ought to we have incurved? ought to you have incurved? ought to they have incurved?	ought to I have been incurving? ought to you have been incurving? ought to she have been incurving? ought to we have been incurving? ought to you have been incurving? ought to they have been incurving?

Interro-negative form

Simple form	V-ing form
oughtn't I to incurve? oughtn't you to incurve? oughtn't she to incurve? oughtn't we to incurve? oughtn't you to incurve? oughtn't they to incurve?	oughtn't I to be incurving? oughtn't you to be incurving? oughtn't she to be incurving? oughtn't we to be incurving? oughtn't you to be incurving? oughtn't they to be incurving?
Perfect	V-ing perfect
oughtn't I to have incurved? oughtn't you to have incurved? oughtn't she to have incurved? oughtn't we to have incurved? oughtn't you to have incurved? oughtn't they to have incurved?	oughtn't I to have been incurving? oughtn't you to have been incurving? oughtn't she to have been incurving? oughtn't we to have been incurving? oughtn't you to have been incurving? oughtn't they to have been incurving?