I'd be purring you'd be purring he'd be purring we'd be purring you'd be purring they'd be purring
Perfect
I should've purred you should've purred he should've purred we should've purred you should've purred they should've purred
V-ing perfect
I should've been purring you should've been purring he should've been purring we should've been purring you should've been purring they should've been purring
Negation
Simple form
I shouldn't purr you shouldn't purr he shouldn't purr we shouldn't purr you shouldn't purr they shouldn't purr
V-ing form
I shouldn't be purring you shouldn't be purring he shouldn't be purring we shouldn't be purring you shouldn't be purring they shouldn't be purring
Perfect
I shouldn't have purred you shouldn't have purred he shouldn't have purred we shouldn't have purred you shouldn't have purred they shouldn't have purred
V-ing perfect
I shouldn't have been purring you shouldn't have been purring he 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
should I purr? should you purr? should he purr? should we purr? should you purr? should they purr?
V-ing form
should I be purring? should you be purring? should he be purring? should we be purring? should you be purring? should they be purring?
Perfect
should I have purred? should you have purred? should he have purred? should we have purred? should you have purred? should they have purred?
V-ing perfect
should I have been purring? should you have been purring? should he have been purring? should we have been purring? should you have been purring? should they have been purring?
Interro-negative form
Simple form
shouldn't I purr? shouldn't you purr? shouldn't he purr? shouldn't we purr? shouldn't you purr? shouldn't they purr?
V-ing form
shouldn't I be purring? shouldn't you be purring? shouldn't he be purring? shouldn't we be purring? shouldn't you be purring? shouldn't they be purring?
Perfect
shouldn't I have purred? shouldn't you have purred? shouldn't he have purred? shouldn't we have purred? shouldn't you have purred? shouldn't they have purred?
V-ing perfect
shouldn't I have been purring? shouldn't you have been purring? shouldn't he have been purring? shouldn't we have been purring? shouldn't you have been purring? shouldn't they have been purring?