I'd be stair-steping you'd be stair-steping she'd be stair-steping we'd be stair-steping you'd be stair-steping they'd be stair-steping
Perfect
I should've stair-steped you should've stair-steped she should've stair-steped we should've stair-steped you should've stair-steped they should've stair-steped
V-ing perfect
I should've been stair-steping you should've been stair-steping she should've been stair-steping we should've been stair-steping you should've been stair-steping they should've been stair-steping
Negation
Simple form
I shouldn't stair-step you shouldn't stair-step she shouldn't stair-step we shouldn't stair-step you shouldn't stair-step they shouldn't stair-step
V-ing form
I shouldn't be stair-steping you shouldn't be stair-steping she shouldn't be stair-steping we shouldn't be stair-steping you shouldn't be stair-steping they shouldn't be stair-steping
Perfect
I shouldn't have stair-steped you shouldn't have stair-steped she shouldn't have stair-steped we shouldn't have stair-steped you shouldn't have stair-steped they shouldn't have stair-steped
V-ing perfect
I shouldn't have been stair-steping you shouldn't have been stair-steping she shouldn't have been stair-steping we shouldn't have been stair-steping you shouldn't have been stair-steping they shouldn't have been stair-steping
Interrogative form
Simple form
should I stair-step? should you stair-step? should she stair-step? should we stair-step? should you stair-step? should they stair-step?
V-ing form
should I be stair-steping? should you be stair-steping? should she be stair-steping? should we be stair-steping? should you be stair-steping? should they be stair-steping?
Perfect
should I have stair-steped? should you have stair-steped? should she have stair-steped? should we have stair-steped? should you have stair-steped? should they have stair-steped?
V-ing perfect
should I have been stair-steping? should you have been stair-steping? should she have been stair-steping? should we have been stair-steping? should you have been stair-steping? should they have been stair-steping?
Interro-negative form
Simple form
shouldn't I stair-step? shouldn't you stair-step? shouldn't she stair-step? shouldn't we stair-step? shouldn't you stair-step? shouldn't they stair-step?
V-ing form
shouldn't I be stair-steping? shouldn't you be stair-steping? shouldn't she be stair-steping? shouldn't we be stair-steping? shouldn't you be stair-steping? shouldn't they be stair-steping?
Perfect
shouldn't I have stair-steped? shouldn't you have stair-steped? shouldn't she have stair-steped? shouldn't we have stair-steped? shouldn't you have stair-steped? shouldn't they have stair-steped?
V-ing perfect
shouldn't I have been stair-steping? shouldn't you have been stair-steping? shouldn't she have been stair-steping? shouldn't we have been stair-steping? shouldn't you have been stair-steping? shouldn't they have been stair-steping?