ought to purr
Regular verb: purr - purred- purred

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to purr
you ought to purr
she ought to purr
we ought to purr
you ought to purr
they ought to purr 	I ought to be purring
you ought to be purring
she ought to be purring
we ought to be purring
you ought to be purring
they ought to be purring	I ought to have purred
you ought to have purred
she ought to have purred
we ought to have purred
you ought to have purred
they ought to have purred	I ought to have been purring
you ought to have been purring
she ought to have been purring
we ought to have been purring
you ought to have been purring
they ought to have been purring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to purr
you oughtn't to purr
she oughtn't to purr
we oughtn't to purr
you oughtn't to purr
they oughtn't to purr 	I oughtn't to be purring
you oughtn't to be purring
she oughtn't to be purring
we oughtn't to be purring
you oughtn't to be purring
they oughtn't to be purring	I oughtn't to have purred
you oughtn't to have purred
she oughtn't to have purred
we oughtn't to have purred
you oughtn't to have purred
they oughtn't to have purred	I oughtn't to have been purring
you oughtn't to have been purring
she oughtn't to have been purring
we oughtn't to have been purring
you oughtn't to have been purring
they oughtn't to have been purring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I purr?
ought to you purr?
ought to she purr?
ought to we purr?
ought to you purr?
ought to they purr? 	ought to I be purring?
ought to you be purring?
ought to she be purring?
ought to we be purring?
ought to you be purring?
ought to they be purring? 	ought to I have purred?
ought to you have purred?
ought to she have purred?
ought to we have purred?
ought to you have purred?
ought to they have purred? 	ought to I have been purring?
ought to you have been purring?
ought to she have been purring?
ought to we have been purring?
ought to you have been purring?
ought to they have been purring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to purr?
oughtn't you to purr?
oughtn't she to purr?
oughtn't we to purr?
oughtn't you to purr?
oughtn't they to purr? 	oughtn't I to be purring?
oughtn't you to be purring?
oughtn't she to be purring?
oughtn't we to be purring?
oughtn't you to be purring?
oughtn't they to be purring? 	oughtn't I to have purred?
oughtn't you to have purred?
oughtn't she to have purred?
oughtn't we to have purred?
oughtn't you to have purred?
oughtn't they to have purred? 	oughtn't I to have been purring?
oughtn't you to have been purring?
oughtn't she to have been purring?
oughtn't we to have been purring?
oughtn't you to have been purring?
oughtn't they to have been purring?