English verb conjugation
OUGHT TO CLEAN

Regular verb: clean - cleaned - cleaned

Affirmation

Simple form	V-ing form
I ought to clean you ought to clean he ought to clean we ought to clean you ought to clean they ought to clean	I ought to be cleaning you ought to be cleaning he ought to be cleaning we ought to be cleaning you ought to be cleaning they ought to be cleaning
Perfect	V-ing perfect
I ought to have cleaned you ought to have cleaned he ought to have cleaned we ought to have cleaned you ought to have cleaned they ought to have cleaned	I ought to have been cleaning you ought to have been cleaning he ought to have been cleaning we ought to have been cleaning you ought to have been cleaning they ought to have been cleaning

Negation

Simple form	V-ing form
I oughtn't to clean you oughtn't to clean he oughtn't to clean we oughtn't to clean you oughtn't to clean they oughtn't to clean	I oughtn't to be cleaning you oughtn't to be cleaning he oughtn't to be cleaning we oughtn't to be cleaning you oughtn't to be cleaning they oughtn't to be cleaning
Perfect	V-ing perfect
I oughtn't to have cleaned you oughtn't to have cleaned he oughtn't to have cleaned we oughtn't to have cleaned you oughtn't to have cleaned they oughtn't to have cleaned	I oughtn't to have been cleaning you oughtn't to have been cleaning he oughtn't to have been cleaning we oughtn't to have been cleaning you oughtn't to have been cleaning they oughtn't to have been cleaning

Interrogative form

Simple form	V-ing form
ought to I clean? ought to you clean? ought to he clean? ought to we clean? ought to you clean? ought to they clean?	ought to I be cleaning? ought to you be cleaning? ought to he be cleaning? ought to we be cleaning? ought to you be cleaning? ought to they be cleaning?
Perfect	V-ing perfect
ought to I have cleaned? ought to you have cleaned? ought to he have cleaned? ought to we have cleaned? ought to you have cleaned? ought to they have cleaned?	ought to I have been cleaning? ought to you have been cleaning? ought to he have been cleaning? ought to we have been cleaning? ought to you have been cleaning? ought to they have been cleaning?

Interro-negative form

Simple form	V-ing form
oughtn't I to clean? oughtn't you to clean? oughtn't he to clean? oughtn't we to clean? oughtn't you to clean? oughtn't they to clean?	oughtn't I to be cleaning? oughtn't you to be cleaning? oughtn't he to be cleaning? oughtn't we to be cleaning? oughtn't you to be cleaning? oughtn't they to be cleaning?
Perfect	V-ing perfect
oughtn't I to have cleaned? oughtn't you to have cleaned? oughtn't he to have cleaned? oughtn't we to have cleaned? oughtn't you to have cleaned? oughtn't they to have cleaned?	oughtn't I to have been cleaning? oughtn't you to have been cleaning? oughtn't he to have been cleaning? oughtn't we to have been cleaning? oughtn't you to have been cleaning? oughtn't they to have been cleaning?