I should cumulate you should cumulate he should cumulate we should cumulate you should cumulate they should cumulate
V-ing form
I should be cumulating you should be cumulating he should be cumulating we should be cumulating you should be cumulating they should be cumulating
Perfect
I should have cumulated you should have cumulated he 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 he 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 he 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 he 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 he 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 he 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 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
should I not cumulate? should you not cumulate? should he 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 he 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 he 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 he not have been cumulating? should we not have been cumulating? should you not have been cumulating? should they not have been cumulating?