should unhook
Regular verb: unhook - unhooked- unhooked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd unhook
you'd unhook
she'd unhook
we'd unhook
you'd unhook
they'd unhook 	I'd be unhooking
you'd be unhooking
she'd be unhooking
we'd be unhooking
you'd be unhooking
they'd be unhooking	I should've unhooked
you should've unhooked
she should've unhooked
we should've unhooked
you should've unhooked
they should've unhooked	I should've been unhooking
you should've been unhooking
she should've been unhooking
we should've been unhooking
you should've been unhooking
they should've been unhooking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't unhook
you shouldn't unhook
she shouldn't unhook
we shouldn't unhook
you shouldn't unhook
they shouldn't unhook 	I shouldn't be unhooking
you shouldn't be unhooking
she shouldn't be unhooking
we shouldn't be unhooking
you shouldn't be unhooking
they shouldn't be unhooking	I shouldn't have unhooked
you shouldn't have unhooked
she shouldn't have unhooked
we shouldn't have unhooked
you shouldn't have unhooked
they shouldn't have unhooked	I shouldn't have been unhooking
you shouldn't have been unhooking
she shouldn't have been unhooking
we shouldn't have been unhooking
you shouldn't have been unhooking
they shouldn't have been unhooking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I unhook?
should you unhook?
should she unhook?
should we unhook?
should you unhook?
should they unhook? 	should I be unhooking?
should you be unhooking?
should she be unhooking?
should we be unhooking?
should you be unhooking?
should they be unhooking? 	should I have unhooked?
should you have unhooked?
should she have unhooked?
should we have unhooked?
should you have unhooked?
should they have unhooked? 	should I have been unhooking?
should you have been unhooking?
should she have been unhooking?
should we have been unhooking?
should you have been unhooking?
should they have been unhooking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I unhook?
shouldn't you unhook?
shouldn't she unhook?
shouldn't we unhook?
shouldn't you unhook?
shouldn't they unhook? 	shouldn't I be unhooking?
shouldn't you be unhooking?
shouldn't she be unhooking?
shouldn't we be unhooking?
shouldn't you be unhooking?
shouldn't they be unhooking? 	shouldn't I have unhooked?
shouldn't you have unhooked?
shouldn't she have unhooked?
shouldn't we have unhooked?
shouldn't you have unhooked?
shouldn't they have unhooked? 	shouldn't I have been unhooking?
shouldn't you have been unhooking?
shouldn't she have been unhooking?
shouldn't we have been unhooking?
shouldn't you have been unhooking?
shouldn't they have been unhooking?