can cumulate
Regular verb: cumulate - cumulated- cumulated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can cumulate
you can cumulate
she can cumulate
we can cumulate
you can cumulate
they can cumulate 	I can be cumulating
you can be cumulating
she can be cumulating
we can be cumulating
you can be cumulating
they can be cumulating	I can have cumulated
you can have cumulated
she can have cumulated
we can have cumulated
you can have cumulated
they can have cumulated	I can have been cumulating
you can have been cumulating
she can have been cumulating
we can have been cumulating
you can have been cumulating
they can have been cumulating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't cumulate
you can't cumulate
she can't cumulate
we can't cumulate
you can't cumulate
they can't cumulate 	I can't be cumulating
you can't be cumulating
she can't be cumulating
we can't be cumulating
you can't be cumulating
they can't be cumulating	I can't have cumulated
you can't have cumulated
she can't have cumulated
we can't have cumulated
you can't have cumulated
they can't have cumulated	I can't have been cumulating
you can't have been cumulating
she can't have been cumulating
we can't have been cumulating
you can't have been cumulating
they can't have been cumulating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I cumulate?
can you cumulate?
can she cumulate?
can we cumulate?
can you cumulate?
can they cumulate? 	can I be cumulating?
can you be cumulating?
can she be cumulating?
can we be cumulating?
can you be cumulating?
can they be cumulating? 	can I have cumulated?
can you have cumulated?
can she have cumulated?
can we have cumulated?
can you have cumulated?
can they have cumulated? 	can I have been cumulating?
can you have been cumulating?
can she have been cumulating?
can we have been cumulating?
can you have been cumulating?
can they have been cumulating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I cumulate?
can't you cumulate?
can't she cumulate?
can't we cumulate?
can't you cumulate?
can't they cumulate? 	can't I be cumulating?
can't you be cumulating?
can't she be cumulating?
can't we be cumulating?
can't you be cumulating?
can't they be cumulating? 	can't I have cumulated?
can't you have cumulated?
can't she have cumulated?
can't we have cumulated?
can't you have cumulated?
can't they have cumulated? 	can't I have been cumulating?
can't you have been cumulating?
can't she have been cumulating?
can't we have been cumulating?
can't you have been cumulating?
can't they have been cumulating?