I'd be spurring you'd be spurring he'd be spurring we'd be spurring you'd be spurring they'd be spurring
Perfect
I should've spurred you should've spurred he should've spurred we should've spurred you should've spurred they should've spurred
V-ing perfect
I should've been spurring you should've been spurring he should've been spurring we should've been spurring you should've been spurring they should've been spurring
Negation
Simple form
I shouldn't spur you shouldn't spur he shouldn't spur we shouldn't spur you shouldn't spur they shouldn't spur
V-ing form
I shouldn't be spurring you shouldn't be spurring he shouldn't be spurring we shouldn't be spurring you shouldn't be spurring they shouldn't be spurring
Perfect
I shouldn't have spurred you shouldn't have spurred he shouldn't have spurred we shouldn't have spurred you shouldn't have spurred they shouldn't have spurred
V-ing perfect
I shouldn't have been spurring you shouldn't have been spurring he shouldn't have been spurring we shouldn't have been spurring you shouldn't have been spurring they shouldn't have been spurring
Interrogative form
Simple form
should I spur? should you spur? should he spur? should we spur? should you spur? should they spur?
V-ing form
should I be spurring? should you be spurring? should he be spurring? should we be spurring? should you be spurring? should they be spurring?
Perfect
should I have spurred? should you have spurred? should he have spurred? should we have spurred? should you have spurred? should they have spurred?
V-ing perfect
should I have been spurring? should you have been spurring? should he have been spurring? should we have been spurring? should you have been spurring? should they have been spurring?
Interro-negative form
Simple form
shouldn't I spur? shouldn't you spur? shouldn't he spur? shouldn't we spur? shouldn't you spur? shouldn't they spur?
V-ing form
shouldn't I be spurring? shouldn't you be spurring? shouldn't he be spurring? shouldn't we be spurring? shouldn't you be spurring? shouldn't they be spurring?
Perfect
shouldn't I have spurred? shouldn't you have spurred? shouldn't he have spurred? shouldn't we have spurred? shouldn't you have spurred? shouldn't they have spurred?
V-ing perfect
shouldn't I have been spurring? shouldn't you have been spurring? shouldn't he have been spurring? shouldn't we have been spurring? shouldn't you have been spurring? shouldn't they have been spurring?