I must decongest you must decongest he must decongest we must decongest you must decongest they must decongest
Forme en V-ing
I must be decongesting you must be decongesting he must be decongesting we must be decongesting you must be decongesting they must be decongesting
Perfect
I must have decongested you must have decongested he must have decongested we must have decongested you must have decongested they must have decongested
Perfect en V-ing
I must have been decongesting you must have been decongesting he must have been decongesting we must have been decongesting you must have been decongesting they must have been decongesting
Négation
Forme simple
I mustn't decongest you mustn't decongest he mustn't decongest we mustn't decongest you mustn't decongest they mustn't decongest
Forme en V-ing
I mustn't be decongesting you mustn't be decongesting he mustn't be decongesting we mustn't be decongesting you mustn't be decongesting they mustn't be decongesting
Perfect
I mustn't have decongested you mustn't have decongested he mustn't have decongested we mustn't have decongested you mustn't have decongested they mustn't have decongested
Perfect en V-ing
I mustn't have been decongesting you mustn't have been decongesting he mustn't have been decongesting we mustn't have been decongesting you mustn't have been decongesting they mustn't have been decongesting
Forme interrogative
Forme simple
must I decongest? must you decongest? must he decongest? must we decongest? must you decongest? must they decongest?
Forme en V-ing
must I be decongesting? must you be decongesting? must he be decongesting? must we be decongesting? must you be decongesting? must they be decongesting?
Perfect
must I have decongested? must you have decongested? must he have decongested? must we have decongested? must you have decongested? must they have decongested?
Perfect en V-ing
must I have been decongesting? must you have been decongesting? must he have been decongesting? must we have been decongesting? must you have been decongesting? must they have been decongesting?
Forme interro-négative
Forme simple
mustn't I decongest? mustn't you decongest? mustn't he decongest? mustn't we decongest? mustn't you decongest? mustn't they decongest?
Forme en V-ing
mustn't I be decongesting? mustn't you be decongesting? mustn't he be decongesting? mustn't we be decongesting? mustn't you be decongesting? mustn't they be decongesting?
Perfect
mustn't I have decongested? mustn't you have decongested? mustn't he have decongested? mustn't we have decongested? mustn't you have decongested? mustn't they have decongested?
Perfect en V-ing
mustn't I have been decongesting? mustn't you have been decongesting? mustn't he have been decongesting? mustn't we have been decongesting? mustn't you have been decongesting? mustn't they have been decongesting?