should accumulate
Regular verb: accumulate - accumulated- accumulated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should accumulate
you should accumulate
she should accumulate
we should accumulate
you should accumulate
they should accumulate 	I should be accumulating
you should be accumulating
she should be accumulating
we should be accumulating
you should be accumulating
they should be accumulating	I should have accumulated
you should have accumulated
she should have accumulated
we should have accumulated
you should have accumulated
they should have accumulated	I should have been accumulating
you should have been accumulating
she should have been accumulating
we should have been accumulating
you should have been accumulating
they should have been accumulating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not accumulate
you should not accumulate
she should not accumulate
we should not accumulate
you should not accumulate
they should not accumulate 	I should not be accumulating
you should not be accumulating
she should not be accumulating
we should not be accumulating
you should not be accumulating
they should not be accumulating	I should not have accumulated
you should not have accumulated
she should not have accumulated
we should not have accumulated
you should not have accumulated
they should not have accumulated	I should not have been accumulating
you should not have been accumulating
she should not have been accumulating
we should not have been accumulating
you should not have been accumulating
they should not have been accumulating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I accumulate?
should you accumulate?
should she accumulate?
should we accumulate?
should you accumulate?
should they accumulate? 	should I be accumulating?
should you be accumulating?
should she be accumulating?
should we be accumulating?
should you be accumulating?
should they be accumulating? 	should I have accumulated?
should you have accumulated?
should she have accumulated?
should we have accumulated?
should you have accumulated?
should they have accumulated? 	should I have been accumulating?
should you have been accumulating?
should she have been accumulating?
should we have been accumulating?
should you have been accumulating?
should they have been accumulating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not accumulate?
should you not accumulate?
should she not accumulate?
should we not accumulate?
should you not accumulate?
should they not accumulate? 	should I not be accumulating?
should you not be accumulating?
should she not be accumulating?
should we not be accumulating?
should you not be accumulating?
should they not be accumulating? 	should I not have accumulated?
should you not have accumulated?
should she not have accumulated?
should we not have accumulated?
should you not have accumulated?
should they not have accumulated? 	should I not have been accumulating?
should you not have been accumulating?
should she not have been accumulating?
should we not have been accumulating?
should you not have been accumulating?
should they not have been accumulating?