shall decongest
Verbe régulier : decongest - decongested- decongested

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I'll decongest
you'll decongest
he'll decongest
we'll decongest
you'll decongest
they'll decongest 	I'll be decongesting
you'll be decongesting
he'll be decongesting
we'll be decongesting
you'll be decongesting
they'll be decongesting	I'll have decongested
you'll have decongested
he'll have decongested
we'll have decongested
you'll have decongested
they'll have decongested	I'll have been decongesting
you'll have been decongesting
he'll have been decongesting
we'll have been decongesting
you'll have been decongesting
they'll have been decongesting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I shan't decongest
you shan't decongest
he shan't decongest
we shan't decongest
you shan't decongest
they shan't decongest 	I shan't be decongesting
you shan't be decongesting
he shan't be decongesting
we shan't be decongesting
you shan't be decongesting
they shan't be decongesting	I shan't have decongested
you shan't have decongested
he shan't have decongested
we shan't have decongested
you shan't have decongested
they shan't have decongested	I shan't have been decongesting
you shan't have been decongesting
he shan't have been decongesting
we shan't have been decongesting
you shan't have been decongesting
they shan't have been decongesting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
shall I decongest?
shall you decongest?
shall he decongest?
shall we decongest?
shall you decongest?
shall they decongest? 	shall I be decongesting?
shall you be decongesting?
shall he be decongesting?
shall we be decongesting?
shall you be decongesting?
shall they be decongesting? 	shall I have decongested?
shall you have decongested?
shall he have decongested?
shall we have decongested?
shall you have decongested?
shall they have decongested? 	shall I have been decongesting?
shall you have been decongesting?
shall he have been decongesting?
shall we have been decongesting?
shall you have been decongesting?
shall they have been decongesting? 	

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