English verb conjugation
MAY REFUEL

Regular verb: refuel - refuelled - refuelled

Affirmation

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

Negation

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

Interrogative form

Simple form	V-ing form
may I refuel? may you refuel? may she refuel? may we refuel? may you refuel? may they refuel?	may I be refuelling? may you be refuelling? may she be refuelling? may we be refuelling? may you be refuelling? may they be refuelling?
Perfect	V-ing perfect
may I have refuelled? may you have refuelled? may she have refuelled? may we have refuelled? may you have refuelled? may they have refuelled?	may I have been refuelling? may you have been refuelling? may she have been refuelling? may we have been refuelling? may you have been refuelling? may they have been refuelling?

Interro-negative form

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