English verb conjugation
OUGHT TO GRIFT

Regular verb: grift - grifted - grifted

Affirmation

Simple form	V-ing form
I ought to grift you ought to grift he ought to grift we ought to grift you ought to grift they ought to grift	I ought to be grifting you ought to be grifting he ought to be grifting we ought to be grifting you ought to be grifting they ought to be grifting
Perfect	V-ing perfect
I ought to have grifted you ought to have grifted he ought to have grifted we ought to have grifted you ought to have grifted they ought to have grifted	I ought to have been grifting you ought to have been grifting he ought to have been grifting we ought to have been grifting you ought to have been grifting they ought to have been grifting

Negation

Simple form	V-ing form
I oughtn't to grift you oughtn't to grift he oughtn't to grift we oughtn't to grift you oughtn't to grift they oughtn't to grift	I oughtn't to be grifting you oughtn't to be grifting he oughtn't to be grifting we oughtn't to be grifting you oughtn't to be grifting they oughtn't to be grifting
Perfect	V-ing perfect
I oughtn't to have grifted you oughtn't to have grifted he oughtn't to have grifted we oughtn't to have grifted you oughtn't to have grifted they oughtn't to have grifted	I oughtn't to have been grifting you oughtn't to have been grifting he oughtn't to have been grifting we oughtn't to have been grifting you oughtn't to have been grifting they oughtn't to have been grifting

Interrogative form

Simple form	V-ing form
ought to I grift? ought to you grift? ought to he grift? ought to we grift? ought to you grift? ought to they grift?	ought to I be grifting? ought to you be grifting? ought to he be grifting? ought to we be grifting? ought to you be grifting? ought to they be grifting?
Perfect	V-ing perfect
ought to I have grifted? ought to you have grifted? ought to he have grifted? ought to we have grifted? ought to you have grifted? ought to they have grifted?	ought to I have been grifting? ought to you have been grifting? ought to he have been grifting? ought to we have been grifting? ought to you have been grifting? ought to they have been grifting?

Interro-negative form

Simple form	V-ing form
oughtn't I to grift? oughtn't you to grift? oughtn't he to grift? oughtn't we to grift? oughtn't you to grift? oughtn't they to grift?	oughtn't I to be grifting? oughtn't you to be grifting? oughtn't he to be grifting? oughtn't we to be grifting? oughtn't you to be grifting? oughtn't they to be grifting?
Perfect	V-ing perfect
oughtn't I to have grifted? oughtn't you to have grifted? oughtn't he to have grifted? oughtn't we to have grifted? oughtn't you to have grifted? oughtn't they to have grifted?	oughtn't I to have been grifting? oughtn't you to have been grifting? oughtn't he to have been grifting? oughtn't we to have been grifting? oughtn't you to have been grifting? oughtn't they to have been grifting?