can refuel
Verbo regular: refuel - refuelled- refuelled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can refuel
you can refuel
he can refuel
we can refuel
you can refuel
they can refuel 	I can be refuelling
you can be refuelling
he can be refuelling
we can be refuelling
you can be refuelling
they can be refuelling	I can have refuelled
you can have refuelled
he can have refuelled
we can have refuelled
you can have refuelled
they can have refuelled	I can have been refuelling
you can have been refuelling
he can have been refuelling
we can have been refuelling
you can have been refuelling
they can have been refuelling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't refuel
you can't refuel
he can't refuel
we can't refuel
you can't refuel
they can't refuel 	I can't be refuelling
you can't be refuelling
he can't be refuelling
we can't be refuelling
you can't be refuelling
they can't be refuelling	I can't have refuelled
you can't have refuelled
he can't have refuelled
we can't have refuelled
you can't have refuelled
they can't have refuelled	I can't have been refuelling
you can't have been refuelling
he can't have been refuelling
we can't have been refuelling
you can't have been refuelling
they can't have been refuelling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I refuel?
can you refuel?
can he refuel?
can we refuel?
can you refuel?
can they refuel? 	can I be refuelling?
can you be refuelling?
can he be refuelling?
can we be refuelling?
can you be refuelling?
can they be refuelling? 	can I have refuelled?
can you have refuelled?
can he have refuelled?
can we have refuelled?
can you have refuelled?
can they have refuelled? 	can I have been refuelling?
can you have been refuelling?
can he have been refuelling?
can we have been refuelling?
can you have been refuelling?
can they have been refuelling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I refuel?
can't you refuel?
can't he refuel?
can't we refuel?
can't you refuel?
can't they refuel? 	can't I be refuelling?
can't you be refuelling?
can't he be refuelling?
can't we be refuelling?
can't you be refuelling?
can't they be refuelling? 	can't I have refuelled?
can't you have refuelled?
can't he have refuelled?
can't we have refuelled?
can't you have refuelled?
can't they have refuelled? 	can't I have been refuelling?
can't you have been refuelling?
can't he have been refuelling?
can't we have been refuelling?
can't you have been refuelling?
can't they have been refuelling?