I'd be cumulating you'd be cumulating he'd be cumulating we'd be cumulating you'd be cumulating they'd be cumulating
Perfect
I should've cumulated you should've cumulated he 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 he 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 he 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 he 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 he 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 he 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 he cumulate? should we cumulate? should you cumulate? should they cumulate?
V-ing form
should I be cumulating? should you be cumulating? should he be cumulating? should we be cumulating? should you be cumulating? should they be cumulating?
Perfect
should I have cumulated? should you have cumulated? should he 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 he 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 he 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 he 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 he 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 he have been cumulating? shouldn't we have been cumulating? shouldn't you have been cumulating? shouldn't they have been cumulating?