could concur
Verbe régulier : concur - concurred- concurred
Traduction française : être d'accord - coïncider 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could concur
you could concur
she could concur
we could concur
you could concur
they could concur 	I could be concurring
you could be concurring
she could be concurring
we could be concurring
you could be concurring
they could be concurring	I could have concurred
you could have concurred
she could have concurred
we could have concurred
you could have concurred
they could have concurred	I could have been concurring
you could have been concurring
she could have been concurring
we could have been concurring
you could have been concurring
they could have been concurring	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not concur
you could not concur
she could not concur
we could not concur
you could not concur
they could not concur 	I could not be concurring
you could not be concurring
she could not be concurring
we could not be concurring
you could not be concurring
they could not be concurring	I could not have concurred
you could not have concurred
she could not have concurred
we could not have concurred
you could not have concurred
they could not have concurred	I could not have been concurring
you could not have been concurring
she could not have been concurring
we could not have been concurring
you could not have been concurring
they could not have been concurring	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I concur?
could you concur?
could she concur?
could we concur?
could you concur?
could they concur? 	could I be concurring?
could you be concurring?
could she be concurring?
could we be concurring?
could you be concurring?
could they be concurring? 	could I have concurred?
could you have concurred?
could she have concurred?
could we have concurred?
could you have concurred?
could they have concurred? 	could I have been concurring?
could you have been concurring?
could she have been concurring?
could we have been concurring?
could you have been concurring?
could they have been concurring? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not concur?
could you not concur?
could she not concur?
could we not concur?
could you not concur?
could they not concur? 	could I not be concurring?
could you not be concurring?
could she not be concurring?
could we not be concurring?
could you not be concurring?
could they not be concurring? 	could I not have concurred?
could you not have concurred?
could she not have concurred?
could we not have concurred?
could you not have concurred?
could they not have concurred? 	could I not have been concurring?
could you not have been concurring?
could she not have been concurring?
could we not have been concurring?
could you not have been concurring?
could they not have been concurring?