English verb conjugation
OUGHT TO STUD

Regular verb: stud - studded - studded

Affirmation

Simple form	V-ing form
I ought to stud you ought to stud he ought to stud we ought to stud you ought to stud they ought to stud	I ought to be studding you ought to be studding he ought to be studding we ought to be studding you ought to be studding they ought to be studding
Perfect	V-ing perfect
I ought to have studded you ought to have studded he ought to have studded we ought to have studded you ought to have studded they ought to have studded	I ought to have been studding you ought to have been studding he ought to have been studding we ought to have been studding you ought to have been studding they ought to have been studding

Negation

Simple form	V-ing form
I oughtn't to stud you oughtn't to stud he oughtn't to stud we oughtn't to stud you oughtn't to stud they oughtn't to stud	I oughtn't to be studding you oughtn't to be studding he oughtn't to be studding we oughtn't to be studding you oughtn't to be studding they oughtn't to be studding
Perfect	V-ing perfect
I oughtn't to have studded you oughtn't to have studded he oughtn't to have studded we oughtn't to have studded you oughtn't to have studded they oughtn't to have studded	I oughtn't to have been studding you oughtn't to have been studding he oughtn't to have been studding we oughtn't to have been studding you oughtn't to have been studding they oughtn't to have been studding

Interrogative form

Simple form	V-ing form
ought to I stud? ought to you stud? ought to he stud? ought to we stud? ought to you stud? ought to they stud?	ought to I be studding? ought to you be studding? ought to he be studding? ought to we be studding? ought to you be studding? ought to they be studding?
Perfect	V-ing perfect
ought to I have studded? ought to you have studded? ought to he have studded? ought to we have studded? ought to you have studded? ought to they have studded?	ought to I have been studding? ought to you have been studding? ought to he have been studding? ought to we have been studding? ought to you have been studding? ought to they have been studding?

Interro-negative form

Simple form	V-ing form
oughtn't I to stud? oughtn't you to stud? oughtn't he to stud? oughtn't we to stud? oughtn't you to stud? oughtn't they to stud?	oughtn't I to be studding? oughtn't you to be studding? oughtn't he to be studding? oughtn't we to be studding? oughtn't you to be studding? oughtn't they to be studding?
Perfect	V-ing perfect
oughtn't I to have studded? oughtn't you to have studded? oughtn't he to have studded? oughtn't we to have studded? oughtn't you to have studded? oughtn't they to have studded?	oughtn't I to have been studding? oughtn't you to have been studding? oughtn't he to have been studding? oughtn't we to have been studding? oughtn't you to have been studding? oughtn't they to have been studding?