English verb conjugation
MAY COSTUME

Regular verb: costume - costumed - costumed

Affirmation

Simple form	V-ing form
I may costume you may costume he may costume we may costume you may costume they may costume	I may be costuming you may be costuming he may be costuming we may be costuming you may be costuming they may be costuming
Perfect	V-ing perfect
I may have costumed you may have costumed he may have costumed we may have costumed you may have costumed they may have costumed	I may have been costuming you may have been costuming he may have been costuming we may have been costuming you may have been costuming they may have been costuming

Negation

Simple form	V-ing form
I may not costume you may not costume he may not costume we may not costume you may not costume they may not costume	I may not be costuming you may not be costuming he may not be costuming we may not be costuming you may not be costuming they may not be costuming
Perfect	V-ing perfect
I may not have costumed you may not have costumed he may not have costumed we may not have costumed you may not have costumed they may not have costumed	I may not have been costuming you may not have been costuming he may not have been costuming we may not have been costuming you may not have been costuming they may not have been costuming

Interrogative form

Simple form	V-ing form
may I costume? may you costume? may he costume? may we costume? may you costume? may they costume?	may I be costuming? may you be costuming? may he be costuming? may we be costuming? may you be costuming? may they be costuming?
Perfect	V-ing perfect
may I have costumed? may you have costumed? may he have costumed? may we have costumed? may you have costumed? may they have costumed?	may I have been costuming? may you have been costuming? may he have been costuming? may we have been costuming? may you have been costuming? may they have been costuming?

Interro-negative form

Simple form	V-ing form
may I not costume? may you not costume? may he not costume? may we not costume? may you not costume? may they not costume?	may I not be costuming? may you not be costuming? may he not be costuming? may we not be costuming? may you not be costuming? may they not be costuming?
Perfect	V-ing perfect
may I not have costumed? may you not have costumed? may he not have costumed? may we not have costumed? may you not have costumed? may they not have costumed?	may I not have been costuming? may you not have been costuming? may he not have been costuming? may we not have been costuming? may you not have been costuming? may they not have been costuming?