should unstop
Regular verb: unstop - unstopped- unstopped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd unstop
you'd unstop
she'd unstop
we'd unstop
you'd unstop
they'd unstop 	I'd be unstopping
you'd be unstopping
she'd be unstopping
we'd be unstopping
you'd be unstopping
they'd be unstopping	I should've unstopped
you should've unstopped
she should've unstopped
we should've unstopped
you should've unstopped
they should've unstopped	I should've been unstopping
you should've been unstopping
she should've been unstopping
we should've been unstopping
you should've been unstopping
they should've been unstopping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't unstop
you shouldn't unstop
she shouldn't unstop
we shouldn't unstop
you shouldn't unstop
they shouldn't unstop 	I shouldn't be unstopping
you shouldn't be unstopping
she shouldn't be unstopping
we shouldn't be unstopping
you shouldn't be unstopping
they shouldn't be unstopping	I shouldn't have unstopped
you shouldn't have unstopped
she shouldn't have unstopped
we shouldn't have unstopped
you shouldn't have unstopped
they shouldn't have unstopped	I shouldn't have been unstopping
you shouldn't have been unstopping
she shouldn't have been unstopping
we shouldn't have been unstopping
you shouldn't have been unstopping
they shouldn't have been unstopping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I unstop?
should you unstop?
should she unstop?
should we unstop?
should you unstop?
should they unstop? 	should I be unstopping?
should you be unstopping?
should she be unstopping?
should we be unstopping?
should you be unstopping?
should they be unstopping? 	should I have unstopped?
should you have unstopped?
should she have unstopped?
should we have unstopped?
should you have unstopped?
should they have unstopped? 	should I have been unstopping?
should you have been unstopping?
should she have been unstopping?
should we have been unstopping?
should you have been unstopping?
should they have been unstopping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I unstop?
shouldn't you unstop?
shouldn't she unstop?
shouldn't we unstop?
shouldn't you unstop?
shouldn't they unstop? 	shouldn't I be unstopping?
shouldn't you be unstopping?
shouldn't she be unstopping?
shouldn't we be unstopping?
shouldn't you be unstopping?
shouldn't they be unstopping? 	shouldn't I have unstopped?
shouldn't you have unstopped?
shouldn't she have unstopped?
shouldn't we have unstopped?
shouldn't you have unstopped?
shouldn't they have unstopped? 	shouldn't I have been unstopping?
shouldn't you have been unstopping?
shouldn't she have been unstopping?
shouldn't we have been unstopping?
shouldn't you have been unstopping?
shouldn't they have been unstopping?