should circulate
Regular verb: circulate - circulated- circulated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd circulate
you'd circulate
she'd circulate
we'd circulate
you'd circulate
they'd circulate 	I'd be circulating
you'd be circulating
she'd be circulating
we'd be circulating
you'd be circulating
they'd be circulating	I should've circulated
you should've circulated
she should've circulated
we should've circulated
you should've circulated
they should've circulated	I should've been circulating
you should've been circulating
she should've been circulating
we should've been circulating
you should've been circulating
they should've been circulating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't circulate
you shouldn't circulate
she shouldn't circulate
we shouldn't circulate
you shouldn't circulate
they shouldn't circulate 	I shouldn't be circulating
you shouldn't be circulating
she shouldn't be circulating
we shouldn't be circulating
you shouldn't be circulating
they shouldn't be circulating	I shouldn't have circulated
you shouldn't have circulated
she shouldn't have circulated
we shouldn't have circulated
you shouldn't have circulated
they shouldn't have circulated	I shouldn't have been circulating
you shouldn't have been circulating
she shouldn't have been circulating
we shouldn't have been circulating
you shouldn't have been circulating
they shouldn't have been circulating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I circulate?
should you circulate?
should she circulate?
should we circulate?
should you circulate?
should they circulate? 	should I be circulating?
should you be circulating?
should she be circulating?
should we be circulating?
should you be circulating?
should they be circulating? 	should I have circulated?
should you have circulated?
should she have circulated?
should we have circulated?
should you have circulated?
should they have circulated? 	should I have been circulating?
should you have been circulating?
should she have been circulating?
should we have been circulating?
should you have been circulating?
should they have been circulating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I circulate?
shouldn't you circulate?
shouldn't she circulate?
shouldn't we circulate?
shouldn't you circulate?
shouldn't they circulate? 	shouldn't I be circulating?
shouldn't you be circulating?
shouldn't she be circulating?
shouldn't we be circulating?
shouldn't you be circulating?
shouldn't they be circulating? 	shouldn't I have circulated?
shouldn't you have circulated?
shouldn't she have circulated?
shouldn't we have circulated?
shouldn't you have circulated?
shouldn't they have circulated? 	shouldn't I have been circulating?
shouldn't you have been circulating?
shouldn't she have been circulating?
shouldn't we have been circulating?
shouldn't you have been circulating?
shouldn't they have been circulating?