I must decuple you must decuple he must decuple we must decuple you must decuple they must decuple
Forme en V-ing
I must be decupling you must be decupling he must be decupling we must be decupling you must be decupling they must be decupling
Perfect
I must have decupled you must have decupled he must have decupled we must have decupled you must have decupled they must have decupled
Perfect en V-ing
I must have been decupling you must have been decupling he must have been decupling we must have been decupling you must have been decupling they must have been decupling
Négation
Forme simple
I must not decuple you must not decuple he must not decuple we must not decuple you must not decuple they must not decuple
Forme en V-ing
I must not be decupling you must not be decupling he must not be decupling we must not be decupling you must not be decupling they must not be decupling
Perfect
I must not have decupled you must not have decupled he must not have decupled we must not have decupled you must not have decupled they must not have decupled
Perfect en V-ing
I must not have been decupling you must not have been decupling he must not have been decupling we must not have been decupling you must not have been decupling they must not have been decupling
Forme interrogative
Forme simple
must I decuple? must you decuple? must he decuple? must we decuple? must you decuple? must they decuple?
Forme en V-ing
must I be decupling? must you be decupling? must he be decupling? must we be decupling? must you be decupling? must they be decupling?
Perfect
must I have decupled? must you have decupled? must he have decupled? must we have decupled? must you have decupled? must they have decupled?
Perfect en V-ing
must I have been decupling? must you have been decupling? must he have been decupling? must we have been decupling? must you have been decupling? must they have been decupling?
Forme interro-négative
Forme simple
must I not decuple? must you not decuple? must he not decuple? must we not decuple? must you not decuple? must they not decuple?
Forme en V-ing
must I not be decupling? must you not be decupling? must he not be decupling? must we not be decupling? must you not be decupling? must they not be decupling?
Perfect
must I not have decupled? must you not have decupled? must he not have decupled? must we not have decupled? must you not have decupled? must they not have decupled?
Perfect en V-ing
must I not have been decupling? must you not have been decupling? must he not have been decupling? must we not have been decupling? must you not have been decupling? must they not have been decupling?