English verb conjugation
SHOULD REFUEL

Regular verb: refuel - refuelled - refuelled

Affirmation

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

Negation

Simple form	V-ing form
I should not refuel you should not refuel he should not refuel we should not refuel you should not refuel they should not refuel	I should not be refuelling you should not be refuelling he should not be refuelling we should not be refuelling you should not be refuelling they should not be refuelling
Perfect	V-ing perfect
I should not have refuelled you should not have refuelled he should not have refuelled we should not have refuelled you should not have refuelled they should not have refuelled	I should not have been refuelling you should not have been refuelling he should not have been refuelling we should not have been refuelling you should not have been refuelling they should not have been refuelling

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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
should I not refuel? should you not refuel? should he not refuel? should we not refuel? should you not refuel? should they not refuel?	should I not be refuelling? should you not be refuelling? should he not be refuelling? should we not be refuelling? should you not be refuelling? should they not be refuelling?
Perfect	V-ing perfect
should I not have refuelled? should you not have refuelled? should he not have refuelled? should we not have refuelled? should you not have refuelled? should they not have refuelled?	should I not have been refuelling? should you not have been refuelling? should he not have been refuelling? should we not have been refuelling? should you not have been refuelling? should they not have been refuelling?