English verb conjugation
CAN COSTUME

Regular verb: costume - costumed - costumed

Affirmation

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

Negation

Simple form	V-ing form
I can't costume you can't costume he can't costume we can't costume you can't costume they can't costume	I can't be costuming you can't be costuming he can't be costuming we can't be costuming you can't be costuming they can't be costuming
Perfect	V-ing perfect
I can't have costumed you can't have costumed he can't have costumed we can't have costumed you can't have costumed they can't have costumed	I can't have been costuming you can't have been costuming he can't have been costuming we can't have been costuming you can't have been costuming they can't have been costuming

Interrogative form

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

Interro-negative form

Simple form	V-ing form
can't I costume? can't you costume? can't he costume? can't we costume? can't you costume? can't they costume?	can't I be costuming? can't you be costuming? can't he be costuming? can't we be costuming? can't you be costuming? can't they be costuming?
Perfect	V-ing perfect
can't I have costumed? can't you have costumed? can't he have costumed? can't we have costumed? can't you have costumed? can't they have costumed?	can't I have been costuming? can't you have been costuming? can't he have been costuming? can't we have been costuming? can't you have been costuming? can't they have been costuming?