English verb conjugation
OUGHT TO KERN

Regular verb: kern - kerned - kerned

Affirmation

Simple form	V-ing form
I ought to kern you ought to kern he ought to kern we ought to kern you ought to kern they ought to kern	I ought to be kerning you ought to be kerning he ought to be kerning we ought to be kerning you ought to be kerning they ought to be kerning
Perfect	V-ing perfect
I ought to have kerned you ought to have kerned he ought to have kerned we ought to have kerned you ought to have kerned they ought to have kerned	I ought to have been kerning you ought to have been kerning he ought to have been kerning we ought to have been kerning you ought to have been kerning they ought to have been kerning

Negation

Simple form	V-ing form
I oughtn't to kern you oughtn't to kern he oughtn't to kern we oughtn't to kern you oughtn't to kern they oughtn't to kern	I oughtn't to be kerning you oughtn't to be kerning he oughtn't to be kerning we oughtn't to be kerning you oughtn't to be kerning they oughtn't to be kerning
Perfect	V-ing perfect
I oughtn't to have kerned you oughtn't to have kerned he oughtn't to have kerned we oughtn't to have kerned you oughtn't to have kerned they oughtn't to have kerned	I oughtn't to have been kerning you oughtn't to have been kerning he oughtn't to have been kerning we oughtn't to have been kerning you oughtn't to have been kerning they oughtn't to have been kerning

Interrogative form

Simple form	V-ing form
ought to I kern? ought to you kern? ought to he kern? ought to we kern? ought to you kern? ought to they kern?	ought to I be kerning? ought to you be kerning? ought to he be kerning? ought to we be kerning? ought to you be kerning? ought to they be kerning?
Perfect	V-ing perfect
ought to I have kerned? ought to you have kerned? ought to he have kerned? ought to we have kerned? ought to you have kerned? ought to they have kerned?	ought to I have been kerning? ought to you have been kerning? ought to he have been kerning? ought to we have been kerning? ought to you have been kerning? ought to they have been kerning?

Interro-negative form

Simple form	V-ing form
oughtn't I to kern? oughtn't you to kern? oughtn't he to kern? oughtn't we to kern? oughtn't you to kern? oughtn't they to kern?	oughtn't I to be kerning? oughtn't you to be kerning? oughtn't he to be kerning? oughtn't we to be kerning? oughtn't you to be kerning? oughtn't they to be kerning?
Perfect	V-ing perfect
oughtn't I to have kerned? oughtn't you to have kerned? oughtn't he to have kerned? oughtn't we to have kerned? oughtn't you to have kerned? oughtn't they to have kerned?	oughtn't I to have been kerning? oughtn't you to have been kerning? oughtn't he to have been kerning? oughtn't we to have been kerning? oughtn't you to have been kerning? oughtn't they to have been kerning?