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