English verb conjugation
OUGHT TO PREOCCUPY

Regular verb: preoccupy - preoccupied - preoccupied

Affirmation

Simple form	V-ing form
I ought to preoccupy you ought to preoccupy he ought to preoccupy we ought to preoccupy you ought to preoccupy they ought to preoccupy	I ought to be preoccupying you ought to be preoccupying he ought to be preoccupying we ought to be preoccupying you ought to be preoccupying they ought to be preoccupying
Perfect	V-ing perfect
I ought to have preoccupied you ought to have preoccupied he ought to have preoccupied we ought to have preoccupied you ought to have preoccupied they ought to have preoccupied	I ought to have been preoccupying you ought to have been preoccupying he ought to have been preoccupying we ought to have been preoccupying you ought to have been preoccupying they ought to have been preoccupying

Negation

Simple form	V-ing form
I oughtn't to preoccupy you oughtn't to preoccupy he oughtn't to preoccupy we oughtn't to preoccupy you oughtn't to preoccupy they oughtn't to preoccupy	I oughtn't to be preoccupying you oughtn't to be preoccupying he oughtn't to be preoccupying we oughtn't to be preoccupying you oughtn't to be preoccupying they oughtn't to be preoccupying
Perfect	V-ing perfect
I oughtn't to have preoccupied you oughtn't to have preoccupied he oughtn't to have preoccupied we oughtn't to have preoccupied you oughtn't to have preoccupied they oughtn't to have preoccupied	I oughtn't to have been preoccupying you oughtn't to have been preoccupying he oughtn't to have been preoccupying we oughtn't to have been preoccupying you oughtn't to have been preoccupying they oughtn't to have been preoccupying

Interrogative form

Simple form	V-ing form
ought to I preoccupy? ought to you preoccupy? ought to he preoccupy? ought to we preoccupy? ought to you preoccupy? ought to they preoccupy?	ought to I be preoccupying? ought to you be preoccupying? ought to he be preoccupying? ought to we be preoccupying? ought to you be preoccupying? ought to they be preoccupying?
Perfect	V-ing perfect
ought to I have preoccupied? ought to you have preoccupied? ought to he have preoccupied? ought to we have preoccupied? ought to you have preoccupied? ought to they have preoccupied?	ought to I have been preoccupying? ought to you have been preoccupying? ought to he have been preoccupying? ought to we have been preoccupying? ought to you have been preoccupying? ought to they have been preoccupying?

Interro-negative form

Simple form	V-ing form
oughtn't I to preoccupy? oughtn't you to preoccupy? oughtn't he to preoccupy? oughtn't we to preoccupy? oughtn't you to preoccupy? oughtn't they to preoccupy?	oughtn't I to be preoccupying? oughtn't you to be preoccupying? oughtn't he to be preoccupying? oughtn't we to be preoccupying? oughtn't you to be preoccupying? oughtn't they to be preoccupying?
Perfect	V-ing perfect
oughtn't I to have preoccupied? oughtn't you to have preoccupied? oughtn't he to have preoccupied? oughtn't we to have preoccupied? oughtn't you to have preoccupied? oughtn't they to have preoccupied?	oughtn't I to have been preoccupying? oughtn't you to have been preoccupying? oughtn't he to have been preoccupying? oughtn't we to have been preoccupying? oughtn't you to have been preoccupying? oughtn't they to have been preoccupying?