English verb conjugation
OUGHT TO USURP

Regular verb: usurp - usurped - usurped

Affirmation

Simple form	V-ing form
I ought to usurp you ought to usurp she ought to usurp we ought to usurp you ought to usurp they ought to usurp	I ought to be usurping you ought to be usurping she ought to be usurping we ought to be usurping you ought to be usurping they ought to be usurping
Perfect	V-ing perfect
I ought to have usurped you ought to have usurped she ought to have usurped we ought to have usurped you ought to have usurped they ought to have usurped	I ought to have been usurping you ought to have been usurping she ought to have been usurping we ought to have been usurping you ought to have been usurping they ought to have been usurping

Negation

Simple form	V-ing form
I oughtn't to usurp you oughtn't to usurp she oughtn't to usurp we oughtn't to usurp you oughtn't to usurp they oughtn't to usurp	I oughtn't to be usurping you oughtn't to be usurping she oughtn't to be usurping we oughtn't to be usurping you oughtn't to be usurping they oughtn't to be usurping
Perfect	V-ing perfect
I oughtn't to have usurped you oughtn't to have usurped she oughtn't to have usurped we oughtn't to have usurped you oughtn't to have usurped they oughtn't to have usurped	I oughtn't to have been usurping you oughtn't to have been usurping she oughtn't to have been usurping we oughtn't to have been usurping you oughtn't to have been usurping they oughtn't to have been usurping

Interrogative form

Simple form	V-ing form
ought to I usurp? ought to you usurp? ought to she usurp? ought to we usurp? ought to you usurp? ought to they usurp?	ought to I be usurping? ought to you be usurping? ought to she be usurping? ought to we be usurping? ought to you be usurping? ought to they be usurping?
Perfect	V-ing perfect
ought to I have usurped? ought to you have usurped? ought to she have usurped? ought to we have usurped? ought to you have usurped? ought to they have usurped?	ought to I have been usurping? ought to you have been usurping? ought to she have been usurping? ought to we have been usurping? ought to you have been usurping? ought to they have been usurping?

Interro-negative form

Simple form	V-ing form
oughtn't I to usurp? oughtn't you to usurp? oughtn't she to usurp? oughtn't we to usurp? oughtn't you to usurp? oughtn't they to usurp?	oughtn't I to be usurping? oughtn't you to be usurping? oughtn't she to be usurping? oughtn't we to be usurping? oughtn't you to be usurping? oughtn't they to be usurping?
Perfect	V-ing perfect
oughtn't I to have usurped? oughtn't you to have usurped? oughtn't she to have usurped? oughtn't we to have usurped? oughtn't you to have usurped? oughtn't they to have usurped?	oughtn't I to have been usurping? oughtn't you to have been usurping? oughtn't she to have been usurping? oughtn't we to have been usurping? oughtn't you to have been usurping? oughtn't they to have been usurping?