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