should costume
Regular verb: costume - costumed- costumed

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

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

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

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