could cross-check
Verbe régulier : cross-check - cross-checked- cross-checked
Traduction française : contrôler (par contre-épreuve ou par recoupement) - vérifier par recoupement 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could cross-check
you could cross-check
she could cross-check
we could cross-check
you could cross-check
they could cross-check 	I could be cross-checking
you could be cross-checking
she could be cross-checking
we could be cross-checking
you could be cross-checking
they could be cross-checking	I could have cross-checked
you could have cross-checked
she could have cross-checked
we could have cross-checked
you could have cross-checked
they could have cross-checked	I could have been cross-checking
you could have been cross-checking
she could have been cross-checking
we could have been cross-checking
you could have been cross-checking
they could have been cross-checking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not cross-check
you could not cross-check
she could not cross-check
we could not cross-check
you could not cross-check
they could not cross-check 	I could not be cross-checking
you could not be cross-checking
she could not be cross-checking
we could not be cross-checking
you could not be cross-checking
they could not be cross-checking	I could not have cross-checked
you could not have cross-checked
she could not have cross-checked
we could not have cross-checked
you could not have cross-checked
they could not have cross-checked	I could not have been cross-checking
you could not have been cross-checking
she could not have been cross-checking
we could not have been cross-checking
you could not have been cross-checking
they could not have been cross-checking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I cross-check?
could you cross-check?
could she cross-check?
could we cross-check?
could you cross-check?
could they cross-check? 	could I be cross-checking?
could you be cross-checking?
could she be cross-checking?
could we be cross-checking?
could you be cross-checking?
could they be cross-checking? 	could I have cross-checked?
could you have cross-checked?
could she have cross-checked?
could we have cross-checked?
could you have cross-checked?
could they have cross-checked? 	could I have been cross-checking?
could you have been cross-checking?
could she have been cross-checking?
could we have been cross-checking?
could you have been cross-checking?
could they have been cross-checking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not cross-check?
could you not cross-check?
could she not cross-check?
could we not cross-check?
could you not cross-check?
could they not cross-check? 	could I not be cross-checking?
could you not be cross-checking?
could she not be cross-checking?
could we not be cross-checking?
could you not be cross-checking?
could they not be cross-checking? 	could I not have cross-checked?
could you not have cross-checked?
could she not have cross-checked?
could we not have cross-checked?
could you not have cross-checked?
could they not have cross-checked? 	could I not have been cross-checking?
could you not have been cross-checking?
could she not have been cross-checking?
could we not have been cross-checking?
could you not have been cross-checking?
could they not have been cross-checking?