English verb conjugation
OUGHT TO SUCCUMB

Regular verb: succumb - succumbed - succumbed

Affirmation

Simple form	V-ing form
I ought to succumb you ought to succumb he ought to succumb we ought to succumb you ought to succumb they ought to succumb	I ought to be succumbing you ought to be succumbing he ought to be succumbing we ought to be succumbing you ought to be succumbing they ought to be succumbing
Perfect	V-ing perfect
I ought to have succumbed you ought to have succumbed he ought to have succumbed we ought to have succumbed you ought to have succumbed they ought to have succumbed	I ought to have been succumbing you ought to have been succumbing he ought to have been succumbing we ought to have been succumbing you ought to have been succumbing they ought to have been succumbing

Negation

Simple form	V-ing form
I oughtn't to succumb you oughtn't to succumb he oughtn't to succumb we oughtn't to succumb you oughtn't to succumb they oughtn't to succumb	I oughtn't to be succumbing you oughtn't to be succumbing he oughtn't to be succumbing we oughtn't to be succumbing you oughtn't to be succumbing they oughtn't to be succumbing
Perfect	V-ing perfect
I oughtn't to have succumbed you oughtn't to have succumbed he oughtn't to have succumbed we oughtn't to have succumbed you oughtn't to have succumbed they oughtn't to have succumbed	I oughtn't to have been succumbing you oughtn't to have been succumbing he oughtn't to have been succumbing we oughtn't to have been succumbing you oughtn't to have been succumbing they oughtn't to have been succumbing

Interrogative form

Simple form	V-ing form
ought to I succumb? ought to you succumb? ought to he succumb? ought to we succumb? ought to you succumb? ought to they succumb?	ought to I be succumbing? ought to you be succumbing? ought to he be succumbing? ought to we be succumbing? ought to you be succumbing? ought to they be succumbing?
Perfect	V-ing perfect
ought to I have succumbed? ought to you have succumbed? ought to he have succumbed? ought to we have succumbed? ought to you have succumbed? ought to they have succumbed?	ought to I have been succumbing? ought to you have been succumbing? ought to he have been succumbing? ought to we have been succumbing? ought to you have been succumbing? ought to they have been succumbing?

Interro-negative form

Simple form	V-ing form
oughtn't I to succumb? oughtn't you to succumb? oughtn't he to succumb? oughtn't we to succumb? oughtn't you to succumb? oughtn't they to succumb?	oughtn't I to be succumbing? oughtn't you to be succumbing? oughtn't he to be succumbing? oughtn't we to be succumbing? oughtn't you to be succumbing? oughtn't they to be succumbing?
Perfect	V-ing perfect
oughtn't I to have succumbed? oughtn't you to have succumbed? oughtn't he to have succumbed? oughtn't we to have succumbed? oughtn't you to have succumbed? oughtn't they to have succumbed?	oughtn't I to have been succumbing? oughtn't you to have been succumbing? oughtn't he to have been succumbing? oughtn't we to have been succumbing? oughtn't you to have been succumbing? oughtn't they to have been succumbing?