I'd be spurning you'd be spurning she'd be spurning we'd be spurning you'd be spurning they'd be spurning
Perfect
I should've spurned you should've spurned she should've spurned we should've spurned you should've spurned they should've spurned
V-ing perfect
I should've been spurning you should've been spurning she should've been spurning we should've been spurning you should've been spurning they should've been spurning
Negation
Simple form
I shouldn't spurn you shouldn't spurn she shouldn't spurn we shouldn't spurn you shouldn't spurn they shouldn't spurn
V-ing form
I shouldn't be spurning you shouldn't be spurning she shouldn't be spurning we shouldn't be spurning you shouldn't be spurning they shouldn't be spurning
Perfect
I shouldn't have spurned you shouldn't have spurned she shouldn't have spurned we shouldn't have spurned you shouldn't have spurned they shouldn't have spurned
V-ing perfect
I shouldn't have been spurning you shouldn't have been spurning she shouldn't have been spurning we shouldn't have been spurning you shouldn't have been spurning they shouldn't have been spurning
Interrogative form
Simple form
should I spurn? should you spurn? should she spurn? should we spurn? should you spurn? should they spurn?
V-ing form
should I be spurning? should you be spurning? should she be spurning? should we be spurning? should you be spurning? should they be spurning?
Perfect
should I have spurned? should you have spurned? should she have spurned? should we have spurned? should you have spurned? should they have spurned?
V-ing perfect
should I have been spurning? should you have been spurning? should she have been spurning? should we have been spurning? should you have been spurning? should they have been spurning?
Interro-negative form
Simple form
shouldn't I spurn? shouldn't you spurn? shouldn't she spurn? shouldn't we spurn? shouldn't you spurn? shouldn't they spurn?
V-ing form
shouldn't I be spurning? shouldn't you be spurning? shouldn't she be spurning? shouldn't we be spurning? shouldn't you be spurning? shouldn't they be spurning?
Perfect
shouldn't I have spurned? shouldn't you have spurned? shouldn't she have spurned? shouldn't we have spurned? shouldn't you have spurned? shouldn't they have spurned?
V-ing perfect
shouldn't I have been spurning? shouldn't you have been spurning? shouldn't she have been spurning? shouldn't we have been spurning? shouldn't you have been spurning? shouldn't they have been spurning?