English verb conjugation
OUGHT TO DUST

Regular verb: dust - dusted - dusted

Affirmation

Simple form	V-ing form
I ought to dust you ought to dust he ought to dust we ought to dust you ought to dust they ought to dust	I ought to be dusting you ought to be dusting he ought to be dusting we ought to be dusting you ought to be dusting they ought to be dusting
Perfect	V-ing perfect
I ought to have dusted you ought to have dusted he ought to have dusted we ought to have dusted you ought to have dusted they ought to have dusted	I ought to have been dusting you ought to have been dusting he ought to have been dusting we ought to have been dusting you ought to have been dusting they ought to have been dusting

Negation

Simple form	V-ing form
I oughtn't to dust you oughtn't to dust he oughtn't to dust we oughtn't to dust you oughtn't to dust they oughtn't to dust	I oughtn't to be dusting you oughtn't to be dusting he oughtn't to be dusting we oughtn't to be dusting you oughtn't to be dusting they oughtn't to be dusting
Perfect	V-ing perfect
I oughtn't to have dusted you oughtn't to have dusted he oughtn't to have dusted we oughtn't to have dusted you oughtn't to have dusted they oughtn't to have dusted	I oughtn't to have been dusting you oughtn't to have been dusting he oughtn't to have been dusting we oughtn't to have been dusting you oughtn't to have been dusting they oughtn't to have been dusting

Interrogative form

Simple form	V-ing form
ought to I dust? ought to you dust? ought to he dust? ought to we dust? ought to you dust? ought to they dust?	ought to I be dusting? ought to you be dusting? ought to he be dusting? ought to we be dusting? ought to you be dusting? ought to they be dusting?
Perfect	V-ing perfect
ought to I have dusted? ought to you have dusted? ought to he have dusted? ought to we have dusted? ought to you have dusted? ought to they have dusted?	ought to I have been dusting? ought to you have been dusting? ought to he have been dusting? ought to we have been dusting? ought to you have been dusting? ought to they have been dusting?

Interro-negative form

Simple form	V-ing form
oughtn't I to dust? oughtn't you to dust? oughtn't he to dust? oughtn't we to dust? oughtn't you to dust? oughtn't they to dust?	oughtn't I to be dusting? oughtn't you to be dusting? oughtn't he to be dusting? oughtn't we to be dusting? oughtn't you to be dusting? oughtn't they to be dusting?
Perfect	V-ing perfect
oughtn't I to have dusted? oughtn't you to have dusted? oughtn't he to have dusted? oughtn't we to have dusted? oughtn't you to have dusted? oughtn't they to have dusted?	oughtn't I to have been dusting? oughtn't you to have been dusting? oughtn't he to have been dusting? oughtn't we to have been dusting? oughtn't you to have been dusting? oughtn't they to have been dusting?