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