English verb conjugation
OUGHT TO SINTER

Regular verb: sinter - sintered - sintered

Affirmation

Simple form	V-ing form
I ought to sinter you ought to sinter he ought to sinter we ought to sinter you ought to sinter they ought to sinter	I ought to be sintering you ought to be sintering he ought to be sintering we ought to be sintering you ought to be sintering they ought to be sintering
Perfect	V-ing perfect
I ought to have sintered you ought to have sintered he ought to have sintered we ought to have sintered you ought to have sintered they ought to have sintered	I ought to have been sintering you ought to have been sintering he ought to have been sintering we ought to have been sintering you ought to have been sintering they ought to have been sintering

Negation

Simple form	V-ing form
I oughtn't to sinter you oughtn't to sinter he oughtn't to sinter we oughtn't to sinter you oughtn't to sinter they oughtn't to sinter	I oughtn't to be sintering you oughtn't to be sintering he oughtn't to be sintering we oughtn't to be sintering you oughtn't to be sintering they oughtn't to be sintering
Perfect	V-ing perfect
I oughtn't to have sintered you oughtn't to have sintered he oughtn't to have sintered we oughtn't to have sintered you oughtn't to have sintered they oughtn't to have sintered	I oughtn't to have been sintering you oughtn't to have been sintering he oughtn't to have been sintering we oughtn't to have been sintering you oughtn't to have been sintering they oughtn't to have been sintering

Interrogative form

Simple form	V-ing form
ought to I sinter? ought to you sinter? ought to he sinter? ought to we sinter? ought to you sinter? ought to they sinter?	ought to I be sintering? ought to you be sintering? ought to he be sintering? ought to we be sintering? ought to you be sintering? ought to they be sintering?
Perfect	V-ing perfect
ought to I have sintered? ought to you have sintered? ought to he have sintered? ought to we have sintered? ought to you have sintered? ought to they have sintered?	ought to I have been sintering? ought to you have been sintering? ought to he have been sintering? ought to we have been sintering? ought to you have been sintering? ought to they have been sintering?

Interro-negative form

Simple form	V-ing form
oughtn't I to sinter? oughtn't you to sinter? oughtn't he to sinter? oughtn't we to sinter? oughtn't you to sinter? oughtn't they to sinter?	oughtn't I to be sintering? oughtn't you to be sintering? oughtn't he to be sintering? oughtn't we to be sintering? oughtn't you to be sintering? oughtn't they to be sintering?
Perfect	V-ing perfect
oughtn't I to have sintered? oughtn't you to have sintered? oughtn't he to have sintered? oughtn't we to have sintered? oughtn't you to have sintered? oughtn't they to have sintered?	oughtn't I to have been sintering? oughtn't you to have been sintering? oughtn't he to have been sintering? oughtn't we to have been sintering? oughtn't you to have been sintering? oughtn't they to have been sintering?