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 ought not to clean you ought not to clean he ought not to clean we ought not to clean you ought not to clean they ought not to clean	I ought not to cleaning you ought not to cleaning he ought not to cleaning we ought not to cleaning you ought not to cleaning they ought not to cleaning
Perfect	V-ing perfect
I ought not to have cleaned you ought not to have cleaned he ought not to have cleaned we ought not to have cleaned you ought not to have cleaned they ought not to have cleaned	I ought not to have been cleaning you ought not to have been cleaning he ought not to have been cleaning we ought not to have been cleaning you ought not to have been cleaning they ought not 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
ought I not to clean? ought you not to clean? ought he not to clean? ought we not to clean? ought you not to clean? ought they not to clean?	ought I not to be cleaning? ought you not to be cleaning? ought he not to be cleaning? ought we not to be cleaning? ought you not to be cleaning? ought they not to be cleaning?
Perfect	V-ing perfect
ought I not to have cleaned? ought you not to have cleaned? ought he not to have cleaned? ought we not to have cleaned? ought you not to have cleaned? ought they not to have cleaned?	ought I not to have been cleaning? ought you not to have been cleaning? ought he not to have been cleaning? ought we not to have been cleaning? ought you not to have been cleaning? ought they not to have been cleaning?