should stuff
Regular verb: stuff - stuffed- stuffed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd stuff
you'd stuff
she'd stuff
we'd stuff
you'd stuff
they'd stuff 	I'd be stuffing
you'd be stuffing
she'd be stuffing
we'd be stuffing
you'd be stuffing
they'd be stuffing	I should've stuffed
you should've stuffed
she should've stuffed
we should've stuffed
you should've stuffed
they should've stuffed	I should've been stuffing
you should've been stuffing
she should've been stuffing
we should've been stuffing
you should've been stuffing
they should've been stuffing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't stuff
you shouldn't stuff
she shouldn't stuff
we shouldn't stuff
you shouldn't stuff
they shouldn't stuff 	I shouldn't be stuffing
you shouldn't be stuffing
she shouldn't be stuffing
we shouldn't be stuffing
you shouldn't be stuffing
they shouldn't be stuffing	I shouldn't have stuffed
you shouldn't have stuffed
she shouldn't have stuffed
we shouldn't have stuffed
you shouldn't have stuffed
they shouldn't have stuffed	I shouldn't have been stuffing
you shouldn't have been stuffing
she shouldn't have been stuffing
we shouldn't have been stuffing
you shouldn't have been stuffing
they shouldn't have been stuffing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I stuff?
should you stuff?
should she stuff?
should we stuff?
should you stuff?
should they stuff? 	should I be stuffing?
should you be stuffing?
should she be stuffing?
should we be stuffing?
should you be stuffing?
should they be stuffing? 	should I have stuffed?
should you have stuffed?
should she have stuffed?
should we have stuffed?
should you have stuffed?
should they have stuffed? 	should I have been stuffing?
should you have been stuffing?
should she have been stuffing?
should we have been stuffing?
should you have been stuffing?
should they have been stuffing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I stuff?
shouldn't you stuff?
shouldn't she stuff?
shouldn't we stuff?
shouldn't you stuff?
shouldn't they stuff? 	shouldn't I be stuffing?
shouldn't you be stuffing?
shouldn't she be stuffing?
shouldn't we be stuffing?
shouldn't you be stuffing?
shouldn't they be stuffing? 	shouldn't I have stuffed?
shouldn't you have stuffed?
shouldn't she have stuffed?
shouldn't we have stuffed?
shouldn't you have stuffed?
shouldn't they have stuffed? 	shouldn't I have been stuffing?
shouldn't you have been stuffing?
shouldn't she have been stuffing?
shouldn't we have been stuffing?
shouldn't you have been stuffing?
shouldn't they have been stuffing?