English verb conjugation
SHOULD FUEL

Regular verb: fuel - fuelled - fuelled

Affirmation

Simple form	V-ing form
I'd fuel you'd fuel he'd fuel we'd fuel you'd fuel they'd fuel	I'd be fuelling you'd be fuelling he'd be fuelling we'd be fuelling you'd be fuelling they'd be fuelling
Perfect	V-ing perfect
I should've fuelled you should've fuelled he should've fuelled we should've fuelled you should've fuelled they should've fuelled	I should've been fuelling you should've been fuelling he should've been fuelling we should've been fuelling you should've been fuelling they should've been fuelling

Negation

Simple form	V-ing form
I shouldn't fuel you shouldn't fuel he shouldn't fuel we shouldn't fuel you shouldn't fuel they shouldn't fuel	I shouldn't be fuelling you shouldn't be fuelling he shouldn't be fuelling we shouldn't be fuelling you shouldn't be fuelling they shouldn't be fuelling
Perfect	V-ing perfect
I shouldn't have fuelled you shouldn't have fuelled he shouldn't have fuelled we shouldn't have fuelled you shouldn't have fuelled they shouldn't have fuelled	I shouldn't have been fuelling you shouldn't have been fuelling he shouldn't have been fuelling we shouldn't have been fuelling you shouldn't have been fuelling they shouldn't have been fuelling

Interrogative form

Simple form	V-ing form
should I fuel? should you fuel? should he fuel? should we fuel? should you fuel? should they fuel?	should I be fuelling? should you be fuelling? should he be fuelling? should we be fuelling? should you be fuelling? should they be fuelling?
Perfect	V-ing perfect
should I have fuelled? should you have fuelled? should he have fuelled? should we have fuelled? should you have fuelled? should they have fuelled?	should I have been fuelling? should you have been fuelling? should he have been fuelling? should we have been fuelling? should you have been fuelling? should they have been fuelling?

Interro-negative form

Simple form	V-ing form
shouldn't I fuel? shouldn't you fuel? shouldn't he fuel? shouldn't we fuel? shouldn't you fuel? shouldn't they fuel?	shouldn't I be fuelling? shouldn't you be fuelling? shouldn't he be fuelling? shouldn't we be fuelling? shouldn't you be fuelling? shouldn't they be fuelling?
Perfect	V-ing perfect
shouldn't I have fuelled? shouldn't you have fuelled? shouldn't he have fuelled? shouldn't we have fuelled? shouldn't you have fuelled? shouldn't they have fuelled?	shouldn't I have been fuelling? shouldn't you have been fuelling? shouldn't he have been fuelling? shouldn't we have been fuelling? shouldn't you have been fuelling? shouldn't they have been fuelling?