I should cumulate you should cumulate she should cumulate we should cumulate you should cumulate they should cumulate
V-ing form
I should be cumulating you should be cumulating she should be cumulating we should be cumulating you should be cumulating they should be cumulating
Perfect
I should have cumulated you should have cumulated she should have cumulated we should have cumulated you should have cumulated they should have cumulated
V-ing perfect
I should have been cumulating you should have been cumulating she should have been cumulating we should have been cumulating you should have been cumulating they should have been cumulating
Negation
Simple form
I should not cumulate you should not cumulate she should not cumulate we should not cumulate you should not cumulate they should not cumulate
V-ing form
I should not be cumulating you should not be cumulating she should not be cumulating we should not be cumulating you should not be cumulating they should not be cumulating
Perfect
I should not have cumulated you should not have cumulated she should not have cumulated we should not have cumulated you should not have cumulated they should not have cumulated
V-ing perfect
I should not have been cumulating you should not have been cumulating she should not have been cumulating we should not have been cumulating you should not have been cumulating they should not 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
should I not cumulate? should you not cumulate? should she not cumulate? should we not cumulate? should you not cumulate? should they not cumulate?
V-ing form
should I not be cumulating? should you not be cumulating? should she not be cumulating? should we not be cumulating? should you not be cumulating? should they not be cumulating?
Perfect
should I not have cumulated? should you not have cumulated? should she not have cumulated? should we not have cumulated? should you not have cumulated? should they not have cumulated?
V-ing perfect
should I not have been cumulating? should you not have been cumulating? should she not have been cumulating? should we not have been cumulating? should you not have been cumulating? should they not have been cumulating?