can refuel
Verbo regular: refuel - refuelled- refuelled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot refuel
you cannot refuel
he cannot refuel
we cannot refuel
you cannot refuel
they cannot refuel 	I cannot be refuelling
you cannot be refuelling
he cannot be refuelling
we cannot be refuelling
you cannot be refuelling
they cannot be refuelling	I cannot have refuelled
you cannot have refuelled
he cannot have refuelled
we cannot have refuelled
you cannot have refuelled
they cannot have refuelled	I cannot have been refuelling
you cannot have been refuelling
he cannot have been refuelling
we cannot have been refuelling
you cannot have been refuelling
they cannot have been refuelling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not refuel?
can you not refuel?
can he not refuel?
can we not refuel?
can you not refuel?
can they not refuel? 	can I not be refuelling?
can you not be refuelling?
can he not be refuelling?
can we not be refuelling?
can you not be refuelling?
can they not be refuelling? 	can I not have refuelled?
can you not have refuelled?
can he not have refuelled?
can we not have refuelled?
can you not have refuelled?
can they not have refuelled? 	can I not have been refuelling?
can you not have been refuelling?
can he not have been refuelling?
can we not have been refuelling?
can you not have been refuelling?
can they not have been refuelling?