should spurn
Regular verb: spurn - spurned- spurned

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