I'd be contacting you'd be contacting he'd be contacting we'd be contacting you'd be contacting they'd be contacting
Perfect
I should've contacted you should've contacted he 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 he 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 he 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 he 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 he 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 he 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 he contact? should we contact? should you contact? should they contact?
V-ing form
should I be contacting? should you be contacting? should he be contacting? should we be contacting? should you be contacting? should they be contacting?
Perfect
should I have contacted? should you have contacted? should he 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 he 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 he 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 he 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 he 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 he have been contacting? shouldn't we have been contacting? shouldn't you have been contacting? shouldn't they have been contacting?