should formulate
Regular verb: formulate - formulated- formulated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd formulate
you'd formulate
she'd formulate
we'd formulate
you'd formulate
they'd formulate 	I'd be formulating
you'd be formulating
she'd be formulating
we'd be formulating
you'd be formulating
they'd be formulating	I should've formulated
you should've formulated
she should've formulated
we should've formulated
you should've formulated
they should've formulated	I should've been formulating
you should've been formulating
she should've been formulating
we should've been formulating
you should've been formulating
they should've been formulating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't formulate
you shouldn't formulate
she shouldn't formulate
we shouldn't formulate
you shouldn't formulate
they shouldn't formulate 	I shouldn't be formulating
you shouldn't be formulating
she shouldn't be formulating
we shouldn't be formulating
you shouldn't be formulating
they shouldn't be formulating	I shouldn't have formulated
you shouldn't have formulated
she shouldn't have formulated
we shouldn't have formulated
you shouldn't have formulated
they shouldn't have formulated	I shouldn't have been formulating
you shouldn't have been formulating
she shouldn't have been formulating
we shouldn't have been formulating
you shouldn't have been formulating
they shouldn't have been formulating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I formulate?
should you formulate?
should she formulate?
should we formulate?
should you formulate?
should they formulate? 	should I be formulating?
should you be formulating?
should she be formulating?
should we be formulating?
should you be formulating?
should they be formulating? 	should I have formulated?
should you have formulated?
should she have formulated?
should we have formulated?
should you have formulated?
should they have formulated? 	should I have been formulating?
should you have been formulating?
should she have been formulating?
should we have been formulating?
should you have been formulating?
should they have been formulating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I formulate?
shouldn't you formulate?
shouldn't she formulate?
shouldn't we formulate?
shouldn't you formulate?
shouldn't they formulate? 	shouldn't I be formulating?
shouldn't you be formulating?
shouldn't she be formulating?
shouldn't we be formulating?
shouldn't you be formulating?
shouldn't they be formulating? 	shouldn't I have formulated?
shouldn't you have formulated?
shouldn't she have formulated?
shouldn't we have formulated?
shouldn't you have formulated?
shouldn't they have formulated? 	shouldn't I have been formulating?
shouldn't you have been formulating?
shouldn't she have been formulating?
shouldn't we have been formulating?
shouldn't you have been formulating?
shouldn't they have been formulating?