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