English verb conjugation
CAN FUEL

Regular verb: fuel - fuelled - fuelled

Affirmation

Simple form	V-ing form
I can fuel you can fuel she can fuel we can fuel you can fuel they can fuel	I can be fuelling you can be fuelling she can be fuelling we can be fuelling you can be fuelling they can be fuelling
Perfect	V-ing perfect
I can have fuelled you can have fuelled she can have fuelled we can have fuelled you can have fuelled they can have fuelled	I can have been fuelling you can have been fuelling she can have been fuelling we can have been fuelling you can have been fuelling they can have been fuelling

Negation

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

Interrogative form

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

Interro-negative form

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