must costume
Verbe régulier : costume - costumed- costumed
Traduction française : réaliser les costumes pour 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must costume
you must costume
he must costume
we must costume
you must costume
they must costume 	I must be costuming
you must be costuming
he must be costuming
we must be costuming
you must be costuming
they must be costuming	I must have costumed
you must have costumed
he must have costumed
we must have costumed
you must have costumed
they must have costumed	I must have been costuming
you must have been costuming
he must have been costuming
we must have been costuming
you must have been costuming
they must have been costuming	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not costume
you must not costume
he must not costume
we must not costume
you must not costume
they must not costume 	I must not be costuming
you must not be costuming
he must not be costuming
we must not be costuming
you must not be costuming
they must not be costuming	I must not have costumed
you must not have costumed
he must not have costumed
we must not have costumed
you must not have costumed
they must not have costumed	I must not have been costuming
you must not have been costuming
he must not have been costuming
we must not have been costuming
you must not have been costuming
they must not have been costuming	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I costume?
must you costume?
must he costume?
must we costume?
must you costume?
must they costume? 	must I be costuming?
must you be costuming?
must he be costuming?
must we be costuming?
must you be costuming?
must they be costuming? 	must I have costumed?
must you have costumed?
must he have costumed?
must we have costumed?
must you have costumed?
must they have costumed? 	must I have been costuming?
must you have been costuming?
must he have been costuming?
must we have been costuming?
must you have been costuming?
must they have been costuming? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not costume?
must you not costume?
must he not costume?
must we not costume?
must you not costume?
must they not costume? 	must I not be costuming?
must you not be costuming?
must he not be costuming?
must we not be costuming?
must you not be costuming?
must they not be costuming? 	must I not have costumed?
must you not have costumed?
must he not have costumed?
must we not have costumed?
must you not have costumed?
must they not have costumed? 	must I not have been costuming?
must you not have been costuming?
must he not have been costuming?
must we not have been costuming?
must you not have been costuming?
must they not have been costuming?