shall concenter
Verbe régulier : concenter - concentered- concentered

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I'll concenter
you'll concenter
she'll concenter
we'll concenter
you'll concenter
they'll concenter 	I'll be concentering
you'll be concentering
she'll be concentering
we'll be concentering
you'll be concentering
they'll be concentering	I'll have concentered
you'll have concentered
she'll have concentered
we'll have concentered
you'll have concentered
they'll have concentered	I'll have been concentering
you'll have been concentering
she'll have been concentering
we'll have been concentering
you'll have been concentering
they'll have been concentering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I shan't concenter
you shan't concenter
she shan't concenter
we shan't concenter
you shan't concenter
they shan't concenter 	I shan't be concentering
you shan't be concentering
she shan't be concentering
we shan't be concentering
you shan't be concentering
they shan't be concentering	I shan't have concentered
you shan't have concentered
she shan't have concentered
we shan't have concentered
you shan't have concentered
they shan't have concentered	I shan't have been concentering
you shan't have been concentering
she shan't have been concentering
we shan't have been concentering
you shan't have been concentering
they shan't have been concentering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
shall I concenter?
shall you concenter?
shall she concenter?
shall we concenter?
shall you concenter?
shall they concenter? 	shall I be concentering?
shall you be concentering?
shall she be concentering?
shall we be concentering?
shall you be concentering?
shall they be concentering? 	shall I have concentered?
shall you have concentered?
shall she have concentered?
shall we have concentered?
shall you have concentered?
shall they have concentered? 	shall I have been concentering?
shall you have been concentering?
shall she have been concentering?
shall we have been concentering?
shall you have been concentering?
shall they have been concentering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
shan't I concenter?
shan't you concenter?
shan't she concenter?
shan't we concenter?
shan't you concenter?
shan't they concenter? 	shan't I be concentering?
shan't you be concentering?
shan't she be concentering?
shan't we be concentering?
shan't you be concentering?
shan't they be concentering? 	shan't I have concentered?
shan't you have concentered?
shan't she have concentered?
shan't we have concentered?
shan't you have concentered?
shan't they have concentered? 	shan't I have been concentering?
shan't you have been concentering?
shan't she have been concentering?
shan't we have been concentering?
shan't you have been concentering?
shan't they have been concentering?