English verb conjugation
MAY FUEL

Regular verb: fuel - fuelled - fuelled

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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