should refine
Regular verb: refine - refined- refined

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd refine
you'd refine
he'd refine
we'd refine
you'd refine
they'd refine 	I'd be refining
you'd be refining
he'd be refining
we'd be refining
you'd be refining
they'd be refining	I should've refined
you should've refined
he 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
he 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
he 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
he 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
he 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
he 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 he refine?
should we refine?
should you refine?
should they refine? 	should I be refining?
should you be refining?
should he be refining?
should we be refining?
should you be refining?
should they be refining? 	should I have refined?
should you have refined?
should he 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 he 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 he 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 he 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 he 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 he have been refining?
shouldn't we have been refining?
shouldn't you have been refining?
shouldn't they have been refining?