Conjugação do verbo inglês
COULD REFUEL

Verbo regular: refuel - refuelled - refuelled

Afirmação

Forma simple	Forma com V-ing
I could refuel you could refuel she could refuel we could refuel you could refuel they could refuel	I could be refuelling you could be refuelling she could be refuelling we could be refuelling you could be refuelling they could be refuelling
Perfeito	Perfeito com V-ing
I could have refuelled you could have refuelled she could have refuelled we could have refuelled you could have refuelled they could have refuelled	I could have been refuelling you could have been refuelling she could have been refuelling we could have been refuelling you could have been refuelling they could have been refuelling

Negação

Forma simple	Forma com V-ing
I couldn't refuel you couldn't refuel she couldn't refuel we couldn't refuel you couldn't refuel they couldn't refuel	I couldn't be refuelling you couldn't be refuelling she couldn't be refuelling we couldn't be refuelling you couldn't be refuelling they couldn't be refuelling
Perfeito	Perfeito com V-ing
I couldn't have refuelled you couldn't have refuelled she couldn't have refuelled we couldn't have refuelled you couldn't have refuelled they couldn't have refuelled	I couldn't have been refuelling you couldn't have been refuelling she couldn't have been refuelling we couldn't have been refuelling you couldn't have been refuelling they couldn't have been refuelling

Forma interrogativa

Forma simple	Forma com V-ing
could I refuel? could you refuel? could she refuel? could we refuel? could you refuel? could they refuel?	could I be refuelling? could you be refuelling? could she be refuelling? could we be refuelling? could you be refuelling? could they be refuelling?
Perfeito	Perfeito com V-ing
could I have refuelled? could you have refuelled? could she have refuelled? could we have refuelled? could you have refuelled? could they have refuelled?	could I have been refuelling? could you have been refuelling? could she have been refuelling? could we have been refuelling? could you have been refuelling? could they have been refuelling?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I refuel? couldn't you refuel? couldn't she refuel? couldn't we refuel? couldn't you refuel? couldn't they refuel?	couldn't I be refuelling? couldn't you be refuelling? couldn't she be refuelling? couldn't we be refuelling? couldn't you be refuelling? couldn't they be refuelling?
Perfeito	Perfeito com V-ing
couldn't I have refuelled? couldn't you have refuelled? couldn't she have refuelled? couldn't we have refuelled? couldn't you have refuelled? couldn't they have refuelled?	couldn't I have been refuelling? couldn't you have been refuelling? couldn't she have been refuelling? couldn't we have been refuelling? couldn't you have been refuelling? couldn't they have been refuelling?