should negative
Regular verb: negative - negatived- negatived

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd negative
you'd negative
he'd negative
we'd negative
you'd negative
they'd negative 	I'd be negativing
you'd be negativing
he'd be negativing
we'd be negativing
you'd be negativing
they'd be negativing	I should've negatived
you should've negatived
he should've negatived
we should've negatived
you should've negatived
they should've negatived	I should've been negativing
you should've been negativing
he should've been negativing
we should've been negativing
you should've been negativing
they should've been negativing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't negative
you shouldn't negative
he shouldn't negative
we shouldn't negative
you shouldn't negative
they shouldn't negative 	I shouldn't be negativing
you shouldn't be negativing
he shouldn't be negativing
we shouldn't be negativing
you shouldn't be negativing
they shouldn't be negativing	I shouldn't have negatived
you shouldn't have negatived
he shouldn't have negatived
we shouldn't have negatived
you shouldn't have negatived
they shouldn't have negatived	I shouldn't have been negativing
you shouldn't have been negativing
he shouldn't have been negativing
we shouldn't have been negativing
you shouldn't have been negativing
they shouldn't have been negativing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I negative?
should you negative?
should he negative?
should we negative?
should you negative?
should they negative? 	should I be negativing?
should you be negativing?
should he be negativing?
should we be negativing?
should you be negativing?
should they be negativing? 	should I have negatived?
should you have negatived?
should he have negatived?
should we have negatived?
should you have negatived?
should they have negatived? 	should I have been negativing?
should you have been negativing?
should he have been negativing?
should we have been negativing?
should you have been negativing?
should they have been negativing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I negative?
shouldn't you negative?
shouldn't he negative?
shouldn't we negative?
shouldn't you negative?
shouldn't they negative? 	shouldn't I be negativing?
shouldn't you be negativing?
shouldn't he be negativing?
shouldn't we be negativing?
shouldn't you be negativing?
shouldn't they be negativing? 	shouldn't I have negatived?
shouldn't you have negatived?
shouldn't he have negatived?
shouldn't we have negatived?
shouldn't you have negatived?
shouldn't they have negatived? 	shouldn't I have been negativing?
shouldn't you have been negativing?
shouldn't he have been negativing?
shouldn't we have been negativing?
shouldn't you have been negativing?
shouldn't they have been negativing?