English verb conjugation
OUGHT TO SERVE

Regular verb: serve - served - served

Affirmation

Simple form	V-ing form
I ought to serve you ought to serve he ought to serve we ought to serve you ought to serve they ought to serve	I ought to be serving you ought to be serving he ought to be serving we ought to be serving you ought to be serving they ought to be serving
Perfect	V-ing perfect
I ought to have served you ought to have served he ought to have served we ought to have served you ought to have served they ought to have served	I ought to have been serving you ought to have been serving he ought to have been serving we ought to have been serving you ought to have been serving they ought to have been serving

Negation

Simple form	V-ing form
I oughtn't to serve you oughtn't to serve he oughtn't to serve we oughtn't to serve you oughtn't to serve they oughtn't to serve	I oughtn't to be serving you oughtn't to be serving he oughtn't to be serving we oughtn't to be serving you oughtn't to be serving they oughtn't to be serving
Perfect	V-ing perfect
I oughtn't to have served you oughtn't to have served he oughtn't to have served we oughtn't to have served you oughtn't to have served they oughtn't to have served	I oughtn't to have been serving you oughtn't to have been serving he oughtn't to have been serving we oughtn't to have been serving you oughtn't to have been serving they oughtn't to have been serving

Interrogative form

Simple form	V-ing form
ought to I serve? ought to you serve? ought to he serve? ought to we serve? ought to you serve? ought to they serve?	ought to I be serving? ought to you be serving? ought to he be serving? ought to we be serving? ought to you be serving? ought to they be serving?
Perfect	V-ing perfect
ought to I have served? ought to you have served? ought to he have served? ought to we have served? ought to you have served? ought to they have served?	ought to I have been serving? ought to you have been serving? ought to he have been serving? ought to we have been serving? ought to you have been serving? ought to they have been serving?

Interro-negative form

Simple form	V-ing form
oughtn't I to serve? oughtn't you to serve? oughtn't he to serve? oughtn't we to serve? oughtn't you to serve? oughtn't they to serve?	oughtn't I to be serving? oughtn't you to be serving? oughtn't he to be serving? oughtn't we to be serving? oughtn't you to be serving? oughtn't they to be serving?
Perfect	V-ing perfect
oughtn't I to have served? oughtn't you to have served? oughtn't he to have served? oughtn't we to have served? oughtn't you to have served? oughtn't they to have served?	oughtn't I to have been serving? oughtn't you to have been serving? oughtn't he to have been serving? oughtn't we to have been serving? oughtn't you to have been serving? oughtn't they to have been serving?