should purr
Regular verb: purr - purred- purred

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd purr
you'd purr
she'd purr
we'd purr
you'd purr
they'd purr 	I'd be purring
you'd be purring
she'd be purring
we'd be purring
you'd be purring
they'd be purring	I should've purred
you should've purred
she should've purred
we should've purred
you should've purred
they should've purred	I should've been purring
you should've been purring
she should've been purring
we should've been purring
you should've been purring
they should've been purring	

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

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

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