I'd be inverting you'd be inverting he'd be inverting we'd be inverting you'd be inverting they'd be inverting
Perfect
I should've inverted you should've inverted he should've inverted we should've inverted you should've inverted they should've inverted
V-ing perfect
I should've been inverting you should've been inverting he should've been inverting we should've been inverting you should've been inverting they should've been inverting
Negation
Simple form
I shouldn't invert you shouldn't invert he shouldn't invert we shouldn't invert you shouldn't invert they shouldn't invert
V-ing form
I shouldn't be inverting you shouldn't be inverting he shouldn't be inverting we shouldn't be inverting you shouldn't be inverting they shouldn't be inverting
Perfect
I shouldn't have inverted you shouldn't have inverted he shouldn't have inverted we shouldn't have inverted you shouldn't have inverted they shouldn't have inverted
V-ing perfect
I shouldn't have been inverting you shouldn't have been inverting he shouldn't have been inverting we shouldn't have been inverting you shouldn't have been inverting they shouldn't have been inverting
Interrogative form
Simple form
should I invert? should you invert? should he invert? should we invert? should you invert? should they invert?
V-ing form
should I be inverting? should you be inverting? should he be inverting? should we be inverting? should you be inverting? should they be inverting?
Perfect
should I have inverted? should you have inverted? should he have inverted? should we have inverted? should you have inverted? should they have inverted?
V-ing perfect
should I have been inverting? should you have been inverting? should he have been inverting? should we have been inverting? should you have been inverting? should they have been inverting?
Interro-negative form
Simple form
shouldn't I invert? shouldn't you invert? shouldn't he invert? shouldn't we invert? shouldn't you invert? shouldn't they invert?
V-ing form
shouldn't I be inverting? shouldn't you be inverting? shouldn't he be inverting? shouldn't we be inverting? shouldn't you be inverting? shouldn't they be inverting?
Perfect
shouldn't I have inverted? shouldn't you have inverted? shouldn't he have inverted? shouldn't we have inverted? shouldn't you have inverted? shouldn't they have inverted?
V-ing perfect
shouldn't I have been inverting? shouldn't you have been inverting? shouldn't he have been inverting? shouldn't we have been inverting? shouldn't you have been inverting? shouldn't they have been inverting?