English verb conjugation
MAY DOUBLE-BILL

Regular verb: double-bill - double-billed - double-billed

Affirmation

Simple form	V-ing form
I may double-bill you may double-bill she may double-bill we may double-bill you may double-bill they may double-bill	I may be double-billing you may be double-billing she may be double-billing we may be double-billing you may be double-billing they may be double-billing
Perfect	V-ing perfect
I may have double-billed you may have double-billed she may have double-billed we may have double-billed you may have double-billed they may have double-billed	I may have been double-billing you may have been double-billing she may have been double-billing we may have been double-billing you may have been double-billing they may have been double-billing

Negation

Simple form	V-ing form
I may not double-bill you may not double-bill she may not double-bill we may not double-bill you may not double-bill they may not double-bill	I may not be double-billing you may not be double-billing she may not be double-billing we may not be double-billing you may not be double-billing they may not be double-billing
Perfect	V-ing perfect
I may not have double-billed you may not have double-billed she may not have double-billed we may not have double-billed you may not have double-billed they may not have double-billed	I may not have been double-billing you may not have been double-billing she may not have been double-billing we may not have been double-billing you may not have been double-billing they may not have been double-billing

Interrogative form

Simple form	V-ing form
may I double-bill? may you double-bill? may she double-bill? may we double-bill? may you double-bill? may they double-bill?	may I be double-billing? may you be double-billing? may she be double-billing? may we be double-billing? may you be double-billing? may they be double-billing?
Perfect	V-ing perfect
may I have double-billed? may you have double-billed? may she have double-billed? may we have double-billed? may you have double-billed? may they have double-billed?	may I have been double-billing? may you have been double-billing? may she have been double-billing? may we have been double-billing? may you have been double-billing? may they have been double-billing?

Interro-negative form

Simple form	V-ing form
may I not double-bill? may you not double-bill? may she not double-bill? may we not double-bill? may you not double-bill? may they not double-bill?	may I not be double-billing? may you not be double-billing? may she not be double-billing? may we not be double-billing? may you not be double-billing? may they not be double-billing?
Perfect	V-ing perfect
may I not have double-billed? may you not have double-billed? may she not have double-billed? may we not have double-billed? may you not have double-billed? may they not have double-billed?	may I not have been double-billing? may you not have been double-billing? may she not have been double-billing? may we not have been double-billing? may you not have been double-billing? may they not have been double-billing?