should refine
Regular verb: refine - refined- refined

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd refine
you'd refine
she'd refine
we'd refine
you'd refine
they'd refine 	I'd be refining
you'd be refining
she'd be refining
we'd be refining
you'd be refining
they'd be refining	I should've refined
you should've refined
she should've refined
we should've refined
you should've refined
they should've refined	I should've been refining
you should've been refining
she should've been refining
we should've been refining
you should've been refining
they should've been refining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't refine
you shouldn't refine
she shouldn't refine
we shouldn't refine
you shouldn't refine
they shouldn't refine 	I shouldn't be refining
you shouldn't be refining
she shouldn't be refining
we shouldn't be refining
you shouldn't be refining
they shouldn't be refining	I shouldn't have refined
you shouldn't have refined
she shouldn't have refined
we shouldn't have refined
you shouldn't have refined
they shouldn't have refined	I shouldn't have been refining
you shouldn't have been refining
she shouldn't have been refining
we shouldn't have been refining
you shouldn't have been refining
they shouldn't have been refining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I refine?
should you refine?
should she refine?
should we refine?
should you refine?
should they refine? 	should I be refining?
should you be refining?
should she be refining?
should we be refining?
should you be refining?
should they be refining? 	should I have refined?
should you have refined?
should she have refined?
should we have refined?
should you have refined?
should they have refined? 	should I have been refining?
should you have been refining?
should she have been refining?
should we have been refining?
should you have been refining?
should they have been refining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I refine?
shouldn't you refine?
shouldn't she refine?
shouldn't we refine?
shouldn't you refine?
shouldn't they refine? 	shouldn't I be refining?
shouldn't you be refining?
shouldn't she be refining?
shouldn't we be refining?
shouldn't you be refining?
shouldn't they be refining? 	shouldn't I have refined?
shouldn't you have refined?
shouldn't she have refined?
shouldn't we have refined?
shouldn't you have refined?
shouldn't they have refined? 	shouldn't I have been refining?
shouldn't you have been refining?
shouldn't she have been refining?
shouldn't we have been refining?
shouldn't you have been refining?
shouldn't they have been refining?