should unstick
Regular verb: unstick - unsticked- unsticked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd unstick
you'd unstick
she'd unstick
we'd unstick
you'd unstick
they'd unstick 	I'd be unsticking
you'd be unsticking
she'd be unsticking
we'd be unsticking
you'd be unsticking
they'd be unsticking	I should've unsticked
you should've unsticked
she should've unsticked
we should've unsticked
you should've unsticked
they should've unsticked	I should've been unsticking
you should've been unsticking
she should've been unsticking
we should've been unsticking
you should've been unsticking
they should've been unsticking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't unstick
you shouldn't unstick
she shouldn't unstick
we shouldn't unstick
you shouldn't unstick
they shouldn't unstick 	I shouldn't be unsticking
you shouldn't be unsticking
she shouldn't be unsticking
we shouldn't be unsticking
you shouldn't be unsticking
they shouldn't be unsticking	I shouldn't have unsticked
you shouldn't have unsticked
she shouldn't have unsticked
we shouldn't have unsticked
you shouldn't have unsticked
they shouldn't have unsticked	I shouldn't have been unsticking
you shouldn't have been unsticking
she shouldn't have been unsticking
we shouldn't have been unsticking
you shouldn't have been unsticking
they shouldn't have been unsticking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I unstick?
should you unstick?
should she unstick?
should we unstick?
should you unstick?
should they unstick? 	should I be unsticking?
should you be unsticking?
should she be unsticking?
should we be unsticking?
should you be unsticking?
should they be unsticking? 	should I have unsticked?
should you have unsticked?
should she have unsticked?
should we have unsticked?
should you have unsticked?
should they have unsticked? 	should I have been unsticking?
should you have been unsticking?
should she have been unsticking?
should we have been unsticking?
should you have been unsticking?
should they have been unsticking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I unstick?
shouldn't you unstick?
shouldn't she unstick?
shouldn't we unstick?
shouldn't you unstick?
shouldn't they unstick? 	shouldn't I be unsticking?
shouldn't you be unsticking?
shouldn't she be unsticking?
shouldn't we be unsticking?
shouldn't you be unsticking?
shouldn't they be unsticking? 	shouldn't I have unsticked?
shouldn't you have unsticked?
shouldn't she have unsticked?
shouldn't we have unsticked?
shouldn't you have unsticked?
shouldn't they have unsticked? 	shouldn't I have been unsticking?
shouldn't you have been unsticking?
shouldn't she have been unsticking?
shouldn't we have been unsticking?
shouldn't you have been unsticking?
shouldn't they have been unsticking?