should refuel
Regular verb: refuel - refuelled- refuelled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd refuel
you'd refuel
he'd refuel
we'd refuel
you'd refuel
they'd refuel 	I'd be refuelling
you'd be refuelling
he'd be refuelling
we'd be refuelling
you'd be refuelling
they'd be refuelling	I should've refuelled
you should've refuelled
he should've refuelled
we should've refuelled
you should've refuelled
they should've refuelled	I should've been refuelling
you should've been refuelling
he should've been refuelling
we should've been refuelling
you should've been refuelling
they should've been refuelling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't refuel
you shouldn't refuel
he shouldn't refuel
we shouldn't refuel
you shouldn't refuel
they shouldn't refuel 	I shouldn't be refuelling
you shouldn't be refuelling
he shouldn't be refuelling
we shouldn't be refuelling
you shouldn't be refuelling
they shouldn't be refuelling	I shouldn't have refuelled
you shouldn't have refuelled
he shouldn't have refuelled
we shouldn't have refuelled
you shouldn't have refuelled
they shouldn't have refuelled	I shouldn't have been refuelling
you shouldn't have been refuelling
he shouldn't have been refuelling
we shouldn't have been refuelling
you shouldn't have been refuelling
they shouldn't have been refuelling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I refuel?
should you refuel?
should he refuel?
should we refuel?
should you refuel?
should they refuel? 	should I be refuelling?
should you be refuelling?
should he be refuelling?
should we be refuelling?
should you be refuelling?
should they be refuelling? 	should I have refuelled?
should you have refuelled?
should he have refuelled?
should we have refuelled?
should you have refuelled?
should they have refuelled? 	should I have been refuelling?
should you have been refuelling?
should he have been refuelling?
should we have been refuelling?
should you have been refuelling?
should they have been refuelling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I refuel?
shouldn't you refuel?
shouldn't he refuel?
shouldn't we refuel?
shouldn't you refuel?
shouldn't they refuel? 	shouldn't I be refuelling?
shouldn't you be refuelling?
shouldn't he be refuelling?
shouldn't we be refuelling?
shouldn't you be refuelling?
shouldn't they be refuelling? 	shouldn't I have refuelled?
shouldn't you have refuelled?
shouldn't he have refuelled?
shouldn't we have refuelled?
shouldn't you have refuelled?
shouldn't they have refuelled? 	shouldn't I have been refuelling?
shouldn't you have been refuelling?
shouldn't he have been refuelling?
shouldn't we have been refuelling?
shouldn't you have been refuelling?
shouldn't they have been refuelling?