ought to clean
Regular verb: clean - cleaned- cleaned

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