ought to concenter
Verbe régulier : concenter - concentered- concentered

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought to concenter
you ought to concenter
he ought to concenter
we ought to concenter
you ought to concenter
they ought to concenter 	I ought to be concentering
you ought to be concentering
he ought to be concentering
we ought to be concentering
you ought to be concentering
they ought to be concentering	I ought to have concentered
you ought to have concentered
he ought to have concentered
we ought to have concentered
you ought to have concentered
they ought to have concentered	I ought to have been concentering
you ought to have been concentering
he ought to have been concentering
we ought to have been concentering
you ought to have been concentering
they ought to have been concentering	

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

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought to I concenter?
ought to you concenter?
ought to he concenter?
ought to we concenter?
ought to you concenter?
ought to they concenter? 	ought to I be concentering?
ought to you be concentering?
ought to he be concentering?
ought to we be concentering?
ought to you be concentering?
ought to they be concentering? 	ought to I have concentered?
ought to you have concentered?
ought to he have concentered?
ought to we have concentered?
ought to you have concentered?
ought to they have concentered? 	ought to I have been concentering?
ought to you have been concentering?
ought to he have been concentering?
ought to we have been concentering?
ought to you have been concentering?
ought to they have been concentering? 	

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