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