should unshackle
Regular verb: unshackle - unshackled- unshackled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd unshackle
you'd unshackle
she'd unshackle
we'd unshackle
you'd unshackle
they'd unshackle 	I'd be unshackling
you'd be unshackling
she'd be unshackling
we'd be unshackling
you'd be unshackling
they'd be unshackling	I should've unshackled
you should've unshackled
she should've unshackled
we should've unshackled
you should've unshackled
they should've unshackled	I should've been unshackling
you should've been unshackling
she should've been unshackling
we should've been unshackling
you should've been unshackling
they should've been unshackling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't unshackle
you shouldn't unshackle
she shouldn't unshackle
we shouldn't unshackle
you shouldn't unshackle
they shouldn't unshackle 	I shouldn't be unshackling
you shouldn't be unshackling
she shouldn't be unshackling
we shouldn't be unshackling
you shouldn't be unshackling
they shouldn't be unshackling	I shouldn't have unshackled
you shouldn't have unshackled
she shouldn't have unshackled
we shouldn't have unshackled
you shouldn't have unshackled
they shouldn't have unshackled	I shouldn't have been unshackling
you shouldn't have been unshackling
she shouldn't have been unshackling
we shouldn't have been unshackling
you shouldn't have been unshackling
they shouldn't have been unshackling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I unshackle?
should you unshackle?
should she unshackle?
should we unshackle?
should you unshackle?
should they unshackle? 	should I be unshackling?
should you be unshackling?
should she be unshackling?
should we be unshackling?
should you be unshackling?
should they be unshackling? 	should I have unshackled?
should you have unshackled?
should she have unshackled?
should we have unshackled?
should you have unshackled?
should they have unshackled? 	should I have been unshackling?
should you have been unshackling?
should she have been unshackling?
should we have been unshackling?
should you have been unshackling?
should they have been unshackling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I unshackle?
shouldn't you unshackle?
shouldn't she unshackle?
shouldn't we unshackle?
shouldn't you unshackle?
shouldn't they unshackle? 	shouldn't I be unshackling?
shouldn't you be unshackling?
shouldn't she be unshackling?
shouldn't we be unshackling?
shouldn't you be unshackling?
shouldn't they be unshackling? 	shouldn't I have unshackled?
shouldn't you have unshackled?
shouldn't she have unshackled?
shouldn't we have unshackled?
shouldn't you have unshackled?
shouldn't they have unshackled? 	shouldn't I have been unshackling?
shouldn't you have been unshackling?
shouldn't she have been unshackling?
shouldn't we have been unshackling?
shouldn't you have been unshackling?
shouldn't they have been unshackling?