should unchair
Regular verb: unchair - unchaired- unchaired

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd unchair
you'd unchair
he'd unchair
we'd unchair
you'd unchair
they'd unchair 	I'd be unchairing
you'd be unchairing
he'd be unchairing
we'd be unchairing
you'd be unchairing
they'd be unchairing	I should've unchaired
you should've unchaired
he should've unchaired
we should've unchaired
you should've unchaired
they should've unchaired	I should've been unchairing
you should've been unchairing
he should've been unchairing
we should've been unchairing
you should've been unchairing
they should've been unchairing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't unchair
you shouldn't unchair
he shouldn't unchair
we shouldn't unchair
you shouldn't unchair
they shouldn't unchair 	I shouldn't be unchairing
you shouldn't be unchairing
he shouldn't be unchairing
we shouldn't be unchairing
you shouldn't be unchairing
they shouldn't be unchairing	I shouldn't have unchaired
you shouldn't have unchaired
he shouldn't have unchaired
we shouldn't have unchaired
you shouldn't have unchaired
they shouldn't have unchaired	I shouldn't have been unchairing
you shouldn't have been unchairing
he shouldn't have been unchairing
we shouldn't have been unchairing
you shouldn't have been unchairing
they shouldn't have been unchairing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I unchair?
should you unchair?
should he unchair?
should we unchair?
should you unchair?
should they unchair? 	should I be unchairing?
should you be unchairing?
should he be unchairing?
should we be unchairing?
should you be unchairing?
should they be unchairing? 	should I have unchaired?
should you have unchaired?
should he have unchaired?
should we have unchaired?
should you have unchaired?
should they have unchaired? 	should I have been unchairing?
should you have been unchairing?
should he have been unchairing?
should we have been unchairing?
should you have been unchairing?
should they have been unchairing? 	

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