I'd be unhooking you'd be unhooking he'd be unhooking we'd be unhooking you'd be unhooking they'd be unhooking
Perfect
I should've unhooked you should've unhooked he should've unhooked we should've unhooked you should've unhooked they should've unhooked
V-ing perfect
I should've been unhooking you should've been unhooking he should've been unhooking we should've been unhooking you should've been unhooking they should've been unhooking
Negation
Simple form
I shouldn't unhook you shouldn't unhook he shouldn't unhook we shouldn't unhook you shouldn't unhook they shouldn't unhook
V-ing form
I shouldn't be unhooking you shouldn't be unhooking he shouldn't be unhooking we shouldn't be unhooking you shouldn't be unhooking they shouldn't be unhooking
Perfect
I shouldn't have unhooked you shouldn't have unhooked he shouldn't have unhooked we shouldn't have unhooked you shouldn't have unhooked they shouldn't have unhooked
V-ing perfect
I shouldn't have been unhooking you shouldn't have been unhooking he 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
should I unhook? should you unhook? should he unhook? should we unhook? should you unhook? should they unhook?
V-ing form
should I be unhooking? should you be unhooking? should he be unhooking? should we be unhooking? should you be unhooking? should they be unhooking?
Perfect
should I have unhooked? should you have unhooked? should he have unhooked? should we have unhooked? should you have unhooked? should they have unhooked?
V-ing perfect
should I have been unhooking? should you have been unhooking? should he have been unhooking? should we have been unhooking? should you have been unhooking? should they have been unhooking?
Interro-negative form
Simple form
shouldn't I unhook? shouldn't you unhook? shouldn't he unhook? shouldn't we unhook? shouldn't you unhook? shouldn't they unhook?
V-ing form
shouldn't I be unhooking? shouldn't you be unhooking? shouldn't he be unhooking? shouldn't we be unhooking? shouldn't you be unhooking? shouldn't they be unhooking?
Perfect
shouldn't I have unhooked? shouldn't you have unhooked? shouldn't he have unhooked? shouldn't we have unhooked? shouldn't you have unhooked? shouldn't they have unhooked?
V-ing perfect
shouldn't I have been unhooking? shouldn't you have been unhooking? shouldn't he have been unhooking? shouldn't we have been unhooking? shouldn't you have been unhooking? shouldn't they have been unhooking?