I should unhook you should unhook she should unhook we should unhook you should unhook they should unhook
V-ing form
I should be unhooking you should be unhooking she should be unhooking we should be unhooking you should be unhooking they should be unhooking
Perfect
I should have unhooked you should have unhooked she should have unhooked we should have unhooked you should have unhooked they should have unhooked
V-ing perfect
I should have been unhooking you should have been unhooking she should have been unhooking we should have been unhooking you should have been unhooking they should have been unhooking
Negation
Simple form
I should not unhook you should not unhook she should not unhook we should not unhook you should not unhook they should not unhook
V-ing form
I should not be unhooking you should not be unhooking she should not be unhooking we should not be unhooking you should not be unhooking they should not be unhooking
Perfect
I should not have unhooked you should not have unhooked she should not have unhooked we should not have unhooked you should not have unhooked they should not have unhooked
V-ing perfect
I should not have been unhooking you should not have been unhooking she should not have been unhooking we should not have been unhooking you should not have been unhooking they should not have been unhooking
Interrogative form
Simple form
should I unhook? should you unhook? should she unhook? should we unhook? should you unhook? should they unhook?
V-ing form
should I be unhooking? should you be unhooking? should she be unhooking? should we be unhooking? should you be unhooking? should they be unhooking?
Perfect
should I have unhooked? should you have unhooked? should she 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 she have been unhooking? should we have been unhooking? should you have been unhooking? should they have been unhooking?
Interro-negative form
Simple form
should I not unhook? should you not unhook? should she not unhook? should we not unhook? should you not unhook? should they not unhook?
V-ing form
should I not be unhooking? should you not be unhooking? should she not be unhooking? should we not be unhooking? should you not be unhooking? should they not be unhooking?
Perfect
should I not have unhooked? should you not have unhooked? should she not have unhooked? should we not have unhooked? should you not have unhooked? should they not have unhooked?
V-ing perfect
should I not have been unhooking? should you not have been unhooking? should she not have been unhooking? should we not have been unhooking? should you not have been unhooking? should they not have been unhooking?