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