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