should cumulate
Regular verb: cumulate - cumulated- cumulated

Affirmation 	
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I'd cumulate
you'd cumulate
she'd cumulate
we'd cumulate
you'd cumulate
they'd cumulate 	I'd be cumulating
you'd be cumulating
she'd be cumulating
we'd be cumulating
you'd be cumulating
they'd be cumulating	I should've cumulated
you should've cumulated
she should've cumulated
we should've cumulated
you should've cumulated
they should've cumulated	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 	
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I shouldn't cumulate
you shouldn't cumulate
she shouldn't cumulate
we shouldn't cumulate
you shouldn't cumulate
they shouldn't cumulate 	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	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	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 	
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should I cumulate?
should you cumulate?
should she cumulate?
should we cumulate?
should you cumulate?
should they cumulate? 	should I be cumulating?
should you be cumulating?
should she be cumulating?
should we be cumulating?
should you be cumulating?
should they be cumulating? 	should I have cumulated?
should you have cumulated?
should she have cumulated?
should we have cumulated?
should you have cumulated?
should they have cumulated? 	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 	
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shouldn't I cumulate?
shouldn't you cumulate?
shouldn't she cumulate?
shouldn't we cumulate?
shouldn't you cumulate?
shouldn't they cumulate? 	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? 	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? 	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?