I'd fire you'd fire she'd fire we'd fire you'd fire they'd fire
V-ing form
I'd be firing you'd be firing she'd be firing we'd be firing you'd be firing they'd be firing
Perfect
I should've fired you should've fired she should've fired we should've fired you should've fired they should've fired
V-ing perfect
I should've been firing you should've been firing she should've been firing we should've been firing you should've been firing they should've been firing
Negation
Simple form
I shouldn't fire you shouldn't fire she shouldn't fire we shouldn't fire you shouldn't fire they shouldn't fire
V-ing form
I shouldn't be firing you shouldn't be firing she shouldn't be firing we shouldn't be firing you shouldn't be firing they shouldn't be firing
Perfect
I shouldn't have fired you shouldn't have fired she shouldn't have fired we shouldn't have fired you shouldn't have fired they shouldn't have fired
V-ing perfect
I shouldn't have been firing you shouldn't have been firing she shouldn't have been firing we shouldn't have been firing you shouldn't have been firing they shouldn't have been firing
Interrogative form
Simple form
should I fire? should you fire? should she fire? should we fire? should you fire? should they fire?
V-ing form
should I be firing? should you be firing? should she be firing? should we be firing? should you be firing? should they be firing?
Perfect
should I have fired? should you have fired? should she have fired? should we have fired? should you have fired? should they have fired?
V-ing perfect
should I have been firing? should you have been firing? should she have been firing? should we have been firing? should you have been firing? should they have been firing?
Interro-negative form
Simple form
shouldn't I fire? shouldn't you fire? shouldn't she fire? shouldn't we fire? shouldn't you fire? shouldn't they fire?
V-ing form
shouldn't I be firing? shouldn't you be firing? shouldn't she be firing? shouldn't we be firing? shouldn't you be firing? shouldn't they be firing?
Perfect
shouldn't I have fired? shouldn't you have fired? shouldn't she have fired? shouldn't we have fired? shouldn't you have fired? shouldn't they have fired?
V-ing perfect
shouldn't I have been firing? shouldn't you have been firing? shouldn't she have been firing? shouldn't we have been firing? shouldn't you have been firing? shouldn't they have been firing?